NUCLEAR RADIATION Exercise 1

Section 25.1 Nuclear Radiation Practice Test

	1.	Unstable atomic nuclei emit radiation to __________.

		a.	attain more stable atomic configurations
		b.	gain electrons
		c.	gain neutrons
		d.	lose protons

	2.	What are isotopes of atoms with unstable nuclei called?

		a.	radioactivity
		b.	radioisotopes
		c.	radiation
		d.	radioactive decay

	3.	What particle emitted during radioactive decay has a mass of 4 amu?

		a.	alpha particle
		b.	beta particle
		c.	gamma particle
		d.	delta particle

	4.	Which particle emitted during radioactive decay is indistinguishable from an electron?

		a.	alpha particle
		b.	beta particle
		c.	gamma particle
		d.	delta particle

	5.	The type of radiation that has the greatest penetrating ability is ___________.

		a.	alpha radiation
		b.	beta radiation
		c.	gamma radiation
		d.	delta radiation