Chemistry Unit 2 Review

Radiation deflected toward the positively charged plate

• Beta Radiation

• Alpha Radiation

• Gamma radiation

• none

Atoms with the same number of protons but different numbers of neutrons

• Isotopes

• Beta Radiation

• Alpha radiation

• Gemma Radiation

High-energy radiation that has no charge and no mass

• Gamma Ray

• Alpha Radiation

• Beta Radiation

The smallest particle of an element that retains the properties of that element

• Atom

• Molecule

• Abc

• Double

The weighted average mass of an element's isotopes

• Atomic Mass

• Atomic Mass Unit

• Isotope

• Weight

The center-most part of an atom where the protons and neutrons are contained

• Nucleus

• Molecules

• Atom

• Particle

Radiation deflected toward the negatively charged plate

• Alpha Radiation

• Beta Radiation

• Gamma Ray

The rays and particles emitted by radioactive material

• Radiation

• Toxic

• Ray

Equal to 1/12 the mass of a carbon-12 atom

• Atomic Mass

• Atomic Mass Unit

• Radiation

Ray of radiation traveling from the cathode to the anode

• Cathode Ray

• Gamma Ray

• Radiation