Multiple Choice
1. The size of an
element’s atomic radius __________ from left to right across the periodic
table.
a.
increases b.
decreases
c. remains
constant d. is randomly assigned
2. Arrange the
following elements from lowest to highest ionization energy: Be, Mg, Ca, Rb, Sr
a. Be, Mg,
Ca, Rb, Sr b.
Rb, Sr, Ca, Be, Mg
c. Rb, Sr,
Ca, Mg, Be d.
Be, Mg, Ca, Sr, Rb
3. The halogens tend
to form anions because….
a. They
have low first ionization energies
b. They
have low electron affinities
c. They
have high electron affinities
d. They
don’t; they form cations
4. Name the only
element touching the stair-step line that is NOT a metalloid
a. Aluminum b.
Boron
c. Nitrogen d. Astatine
5. When a metal atom
becomes a cation…
a. It gains
an electron
b. It becomes a different isotope
c. Its atomic number changes
d. Its ionic radius is smaller than
its atomic radius
6.
What is NOT true of the element
rubidium?
a.
It is an alkali metal b. It has one valence electron
b. It
has a low electron affinity d. Its radius is larger than cesium’s
7. In Al2O3, aluminum ion has a charge of...
a. +2 b. -2
c. +3 d. -3
8. How
many valence electrons does one atom of phosphorus have?
a. 1 b. 5
c. 3 d. 7
9. Arrange the following elements in order of
increasing electron affinity: Bi,
As, P, N, Sb
a.
Bi, Sb, As, P, N b. N, P, As, Sb, Bi
c.
Bi, As, P, N, Sb d. N, As, P, Bi, Sb
10. Of
Fe, K, P, and Cl, which would you expect to have the greatest electron
affinity?
a.
K b.
Fe
c.
Cl d.
P
11. Unknown
element X has four energy levels, five valence electrons, and is a
metalloid. What is element X?
a.
Si b.
Ge
c.
Se d.
As
12. The second ionization energy of sodium is much
higher than the first ionization energy because…
a.
The second electron is removed from an already-stable noble gas core
b.
The second electron is a valence electron
c.
The atom has a larger radius after the first electron is removed
d.
It’s not higher than the first ionization energy
13.
Boron and silicon form similar compounds and are very similar due to
their ________ relationship
a.
periodic b.
familial
c.
chemical d. group
14. An element with a greater
effective nuclear charge has a(n) ______ atomic radius
a.
larger b.
smaller
c.
undefined d.
undulating
15. Lanthanides and actinides have
these kinds of orbitals:
a.
s only b.
s, p and d
c.
s, p, d, and f d.
f only
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