PERIODIC TABLE AND PERIODIC TRENDS PART
Matching
Match each item with the correct statement below.
a.
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group
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d.
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metal
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b.
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ionization energy
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e.
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periodic law
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c.
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atomic radius
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____ 1. vertical column in the periodic table
____ 2. A repetition of properties occurs when elements are arranged in order of increasing atomic number.
____ 3. type of element that is a good conductor of heat and electric current
____ 4. one-half the distance between the nuclei of two atoms when the atoms are joined; size of the atom
____ 5. energy required to remove an electron from an atom
Multiple Choice
Identify the letter of the choice that best completes the statement or answers the question.
____ 6. What is another name for the transition metals?
a.
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noble gases
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c.
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Group B elements
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b.
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Group A elements
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d.
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Group C elements
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____ 7. Which of the following elements is in the same period as phosphorus?
a.
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carbon
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c.
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nitrogen
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b.
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magnesium
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d.
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oxygen
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____ 8. Who arranged the elements according to atomic mass and used the arrangement to predict the properties of missing elements?
a.
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Henry Moseley
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c.
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John Dalton
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b.
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Antoine Lavoisier
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d.
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Dmitri Mendeleev
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____ 9. Which of the following categories includes the majority of the elements?
a.
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metalloids
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c.
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metals
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b.
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liquids
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d.
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nonmetals
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____ 10. Of the elements Pt, V, Li, and Kr, which is a nonmetal?
a.
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Pt
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c.
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Li
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b.
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V
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d.
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Kr
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____ 11. In which of the following sets is the symbol of the element, the number of protons, and the number of electrons given correctly?
a.
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In, 49 protons, 49 electrons
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c.
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Cs, 55 protons, 132.9 electrons
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b.
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Zn, 30 protons, 60 electrons
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d.
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F, 19 protons, 19 electrons
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____ 12. What element has the electron configuration 1s2s2p3s3p2?
a.
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nitrogen
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c.
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silicon
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b.
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selenium
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d.
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silver
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____ 13. Which of the following is true about the electron configurations of the noble gases?
a.
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The highest occupied s and p sublevels are completely filled.
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b.
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The highest occupied s and p sublevels are partially filled.
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c.
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The electrons with the highest energy are in a d sublevel.
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d.
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The electrons with the highest energy are in an f sublevel.
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____ 14. Which subatomic particle plays the greatest part in determining the properties of an element?
a.
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proton
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c.
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neutron
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b.
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electron
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d.
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none of the above
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____ 15. Which of the following elements is a main transition metal?
a.
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cesium
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c.
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tellurium
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b.
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copper
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d.
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tin
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____ 16. Which of the following groupings contains only representative elements?
a.
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Cu, Co, Cd
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c.
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Al, Mg, Li
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b.
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Ni, Fe, Zn
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d.
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Hg, Cr, Ag
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____ 17. What is another name for Group 1A?
a.
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alkali metals
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c.
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noble gases
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b.
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alkaline earth metals
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d.
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halogens
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____ 18. Of the elements Fe, Sn, U, and Br, which is a halogen?
a.
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Fe
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c.
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U
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b.
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Sn
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d.
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Br
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____ 19. How does atomic radius change from top to bottom in a group in the periodic table?
a.
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It tends to decrease.
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c.
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It first increases, then decreases.
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b.
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It tends to increase.
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d.
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It first decreases, then increases.
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____ 20. How does atomic radius change from left to right across a period in the periodic table?
a.
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It tends to decrease.
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c.
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It first increases, then decreases.
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b.
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It tends to increase.
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d.
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It first decreases, then increases.
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____ 21. What causes the shielding effect to remain constant across a period?
a.
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Electrons are added to the same principal energy level.
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b.
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Electrons are added to different principal energy levels.
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c.
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The charge on the nucleus is constant.
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d.
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The atomic radius increases.
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____ 22. What element in the second period has the largest atomic radius?
a.
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carbon
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c.
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potassium
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b.
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lithium
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d.
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neon
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____ 23. Which of the following factors contributes to the increase in atomic size within a group in the periodic table as the atomic number increases?
a.
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more shielding of the electrons by the highest occupied energy level
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b.
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an increase in size of the nucleus
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c.
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an increase in number of protons
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d.
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fewer electrons in the highest occupied energy level
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____ 24. What is the charge of a cation?
a.
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a positive charge
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b.
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no charge
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c.
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a negative charge
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d.
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The charge depends on the size of the nucleus.
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____ 25. Which of the following statements is true about ions?
a.
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Cations form when an atom gains electrons.
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b.
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Cations form when an atom loses electrons.
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c.
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Anions form when an atom gains protons.
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d.
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Anions form when an atom loses protons.
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____ 26. The metals in Groups 1A, 2A, and 3A ____.
a.
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gain electrons when they form ions
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c.
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all have ions with a 1+ charge
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b.
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all form ions with a negative charge
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d.
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lose electrons when they form ions
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____ 27. Which of the following statements is NOT true about ions?
a.
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Cations are positively charged ions.
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b.
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Anions are common among nonmetals.
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c.
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Charges for ions are written as numbers followed by a plus or minus sign.
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d.
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When a cation forms, more electrons are transferred to it.
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____ 28. In which of the following sets are the charges given correctly for all the ions?
a.
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Na+, Mg+, Al+
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c.
| Rb-, Ba+2, P+3 |
b.
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K+, Sr+2, O-2
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d.
| N-, O-2, F+3 |
____ 29. What is the element with the highest electronegativity value?
a.
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cesium
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c.
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calcium
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b.
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helium
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d.
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fluorine
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____ 30. Which of the following elements has the smallest ionic radius?
a.
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Li
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c.
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O
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b.
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K
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d.
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S
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____ 31. Which of the following factors contributes to the decrease in ionization energy within a group in the periodic table as the atomic number increases?
a.
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increase in atomic size
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b.
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increase in size of the nucleus
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c.
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increase in number of protons
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d.
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fewer electrons in the highest occupied energy level
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____ 32. Which of the following elements has the smallest first ionization energy?
a.
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sodium
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c.
|
potassium
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b.
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calcium
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d.
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magnesium
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____ 33. Which statement is true about electronegativity?
a.
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Electronegativity is the ability of an anion to attract another anion.
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b.
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Electronegativity generally increases as you move from top to bottom within a group.
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c.
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Electronegativity generally is higher for metals than for nonmetals.
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d.
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Electronegativity generally increases from left to right across a period.
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____ 34. As you move from left to right across the second period of the periodic table ____.
a.
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ionization energy increases
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c.
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electronegativity decreases
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b.
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atomic radii increase
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d.
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atomic mass decreases
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____ 35. Of the following elements, which one has the smallest first ionization energy?
a.
|
boron
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c.
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aluminum
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b.
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carbon
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d.
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silicon
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