Nuclear Chemistry Review

When a nucleus undergoes gamma decay, it emits a(n)

• Alpha Particle
• Beta Particle
• Energy
• Two of the above

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NGSS.HS-PS1-8

NGSS.HS-PS4-3

In beta decay, an unstable nucleus gains a proton when a(n)

• proton divides and becomes two protons.
• neutron develops a positive electric charge.
• neutron breaks down to a proton and an electron.
• electron reverses its charge and becomes a proton.

Tags

NGSS.HS-PS1-8

An alpha particle can penetrate

• a sheet of paper.
• a thin layer of cloth.
• a sheet of aluminum.
• none of the above

Identify the missing substance in each of the following nuclear reactions.
 _____→¹³⁷ ₅₆ Ba + ⁰ ₋₁ e 

• ¹³⁷₅₅Ba
• ¹³⁷₅₇La
• ¹³⁸₅₆Ba
• ¹³⁷ ₅₅Cs

Tags

NGSS.HS-PS1-8

During Beta decay, the neutron to proton ratio of atoms undergoing decay is

• Increasing
• Decreasing
• Remains constant
• None of the Above

Tags

NGSS.HS-PS1-8

Which nuclear emission involves the release of helium nuclei?

• alpha
• gamma
• positron
• beta

Tags

NGSS.HS-PS1-8

Which of the following nuclear emissions involves the release of a particle with no mass and a charge of +1?

• proton
• beta
• positron
• alpha

Tags

NGSS.HS-PS1-8

Which of the following nuclear emissions has the greatest penetrating power?

• alpha
• gamma
• beta
• positron

Tags

NGSS.HS-PS1-8

Radium-228 undergoes alpha decay to form what daughter isotope and decay particle?

• ^228₈₆Rn ^{+ 4₂}He
• ²²⁴₈₈Ra + ⁴₂He
• ²²⁴₈₆Rn + ⁴₂He
• ²²⁸₈₈Ra + ⁴₂He

Tags

NGSS.HS-PS1-8

What kind of radioactive decay is/are involved in the radioactive decay series?

• Alpha decay
• Beta decay
• Gamma decay
• Both A and B

Tags

NGSS.HS-PS1-8