Chemistry Unit 2 Study Guide (Nuclear Radiation)

What is the atomic number of uranium (U)?

• 92

• 91

• 93

• 89

Elements with atomic numbers above uranium are called ____________ elements.

• Transuranium

• Transmutation

• Radioactive

• Stable

All elements transuranium elements undergo _____________, or the conversion of an atom of one element into an atom of another element.

• Fission

• Transuranium

• Transmutation

• Fusion

List 2 factors that affect chemical reactions, but NOT nuclear reactions.

What does an alpha particle consist of?

• High energy photons

• A He (Helium) nucleus (2 protons, 2 nuetrons)

• An electron

What is the charge of a Alpha particle

• -1

• +2

• +4

• 0

What is the charge of a Beta particle

• -1

• +2

• +4

• 0

What is the charge of a Gamma particle

• -1

• +2

• +4

• 0

What does a beta particle consist of

• High energy photons

• Neutrons

• A Helium Nucleus

• An electron

What are gamma rays made from?

• nothing

• High energy photons

• An electron

• He Nucleus