Ch. 4 (Sec. 4)

Question 0

Radiation

Answer 0

The Rays and particles emitted by radioactive material

Question 1

Radioactivity

Answer 1

The ability of a substance to emit radiation.

Question 2

Nuclear reaction

Answer 2

A reaction that involves a change in an atom’s nucleus

Question 3

Radioactive Decay

Answer 3

Spontaneous process where unstable nuclei lose energy by emitting radiation

Question 4

Alpha radiation

Answer 4

Radiation that deflects toward a negatively charged plate

Question 5

Alpha Particle

Answer 5

Particle containing two protons and two neutrons and has a charge of +2

Question 6

Nuclear equation

Answer 6

Equation showing the atomic numbers and mass numbers of particles involved in a nuclear reaction

Question 7

Beta Radiation

Answer 7

Radiation that deflects toward a positively charged plate

Question 8

Beta particle

Answer 8

An electron with a -1 charge

Question 9

Gamma ray

Answer 9

High-energy radiation that doesn’t have a mass and is denoted by a y-like symbol