Intro to Nuclear Chemistry

Combination of atoms that occurs when two atoms collide with one another to create a heavier atom is referred to as _______

Tags

NGSS.HS-ESS1-1

NGSS.HS-PS1-8

Which is the most radioactively stable element?

• Fe- 56

• C - 12

• U - 238

• Ra - 226

Tags

NGSS.HS-PS1-8

True or False: Elements with an atomic number less than 26 tend to undergo nuclear fission

• True

• False

Tags

NGSS.HS-PS1-8

Which of the following is NOT an example of nuclear decay?

• alpha decay

• beta decay

• gamma decay

• kappa decay

Tags

NGSS.HS-PS1-8

Which of the following correctly pairs a radioactive particle with its mass?

• alpha & 0

• beta & 2

• gamma & 0

• alpha & 2

Tags

NGSS.HS-PS1-8

What is the charge of beta particles?

• 2+

• -1

• 0

• +1

Tags

NGSS.HS-PS1-8

Which two things must be balanced in a nuclear equation?

• atomic number & mass number

• atomic number & ionic charge

• ionic charge & mass number

• number of protons & number of electrons

Tags

NGSS.HS-PS1-8

Provide an example of a balanced nuclear equation that demonstrates (1) alpha decay, (2) beta, and (3) gamma decay

Tags

NGSS.HS-PS1-8

Balance the following nuclear equations

Tags

NGSS.HS-PS1-8

The interval of time that is required for 1/2 of an atomic nuclei of a radioactive sample to decay is referred to as which of the following?

• nuclear equation

• radioactive decay

• half-life

• half-time

Tags

NGSS.HS-PS1-8