Unit 3: Nuclear Chemistry

Alpha particles are emitted during the radioactive decay

of

• Radon-222

• Calcium-37

• Carbon-14

• Neon-19

Tags

NGSS.HS-PS1-8

Given the equation representing a nuclear reaction in

which X represents a nuclide:

²³²₉₀Th --> ⁴₂He + X

Which nuclide is represented by X?

• ²²⁸₈₈Ra

• ²³⁶₉₂Ra

• ²³⁶₉₂U

• ²²⁸₈₈U

Tags

NGSS.HS-PS1-8

Given the fusion reaction:

²₁H + ²₁H --> X + energy

Which particle is represented by X?

• ¹₁H

• ³₂He

• ³₁H

• ⁴₂He

Tags

NGSS.HS-PS1-8

NGSS.HS-ESS1-1

NGSS.HS-ESS1-3

In which type of reaction do two lighter nuclei combine

to form one heavier nucleus?

• Reduction

• Combustion

• Nuclear Fission

• Nuclear Fusion

Tags

NGSS.HS-PS1-8

NGSS.HS-ESS1-1

Which nuclear emission has no charge and no mass?

• Beta particle

• Alpha particle

• Gamma particle

• Positron

Given the nuclear reaction:

⁹₄Be + X --> ¹²₆C +¹₀n

What is the identity of particle X?

• Beta Particle

• Alpha Particle

• Proton

• Neutron

Tags

NGSS.HS-PS1-8

When an alpha particle is emitted by an atom, the atomic

number of the atom will

• Decrease by 4

• Increase by 4

• Decrease by 2

• Increase by 2

Tags

NGSS.HS-PS1-8

What was the original mass of a radioactive sample that

decayed to 25 grams in four half-life periods?

• 50g

• 100g

• 200g

• 400g

Given the nuclear reaction:

¹⁴₇N + ⁴₂He --> ¹₁H + X

Which isotope is represented by the X when the equation is correctly balanced?

• ¹⁷₈O

• ¹⁸₉F

• ¹⁸₈O

• ¹⁷₉F

Tags

NGSS.HS-PS1-8

Which list of nuclear emissions is arranged in order

from the least penetrating power to the greatest penetrating power?

• alpha particle, gamma ray, beta particle

• beta particle, alpha particle, gamma ray

• gamma ray, beta particle, alpha particle

• alpha particle, beta particle, gamma ray