Radioactive Decay

A beta particle consists of fast moving electron & has a(n) __________ charge.

• Positive
• Negatuve
• Negative

Tags

NGSS.HS-PS1-8

In the equation,  ^14₆C --> ^14₇N + ^0_-1B, the _______ decay of radioactive carbon-14 results in the creation of a new nitrogen-14 atom.

• Radioactive
• Beta
• Alpha

Tags

NGSS.HS-PS1-8

What is a nuclear reaction?

• A type of equation that shows the atomic mass & mass number of the particles combined.
• A type of equation that shows the atomic number  & mass number of the particles involved.

Tags

NGSS.HS-PS1-8

Gamma radiation is usually emitted along with α-particles & β-particles.

• False
• True

Tags

NGSS.HS-PS1-8

How is the alpha particle written in a nuclear equation?

• ^4₂He
• ^2₄He

Tags

NGSS.HS-PS1-8

In the nuclear equation below, calculate the mass number of the alpha particle. 
^238₉₂U-->^234₉₀Th + ^4₂He + 2^0₀

• 238
• 0
• 234
• 4

Tags

NGSS.HS-PS1-8

Some substances spontaneously emitted radiation in a process called radioactivity.

• False
• True

Tags

NGSS.HS-PS1-8

Radiation is when rays & particles are emitted by the radioactive material.

• True
• False

Tags

NGSS.HS-PS1-8

What is a beta particle?

• An electron with a 1-charge.
• An electron with a 1+ charge.

Tags

NGSS.HS-PS1-8

A reaction that involves a change in an atom's nucleus is called what?

• Nuclear Reaction
• Nuclear Equation

Tags

NGSS.HS-PS1-8