A helium nucleus with two protons and two neutrons is called a(n) ____.  

• alpha particle

• electroscope

• beta particle

• gamma ray

Tags

NGSS.HS-PS1-8

Which particle is also called an electron

• alpha particle

• beta particle

• gamma rays

• positron

What is the mass number of an alpha particle

• 1

• 2

• 3

• 4

Tags

NGSS.HS-PS1-8

What is the mass of a beta particle?

• 1

• 4

• 0

• 2

Tags

NGSS.HS-PS1-8

What is the symbol for an alpha particle?

• ⁴₂He

• ⁰_-1e

• ⁰₊₁ e

• ¹₀n

Tags

NGSS.HS-PS1-8

What particle completes this reaction?

• alpha particle

• beta particle

• gamma particle

• neutron

Tags

NGSS.HS-PS1-8

Complete the nuclear equation and determine the type of decay that is occurring in this reaction. 

• Alpha

• Beta

• Gamma

• None

Tags

NGSS.HS-PS1-8

What is the missing isotope that will balance the following nuclear equation?

⁹₄Be  +  ¹₁H →  _____  +  ⁴₂He

• ¹⁰₅B

• ¹⁰₅Ne

• ⁶₃Li

• ⁶₃C

Tags

NGSS.HS-PS1-8

This is the correct equation for U-238 decay.

• True

• False

Tags

NGSS.HS-PS1-8

This is the correct equation for the decay of Ra.

• True

• False

Tags

NGSS.HS-PS1-8