Radioactive Decay

Front

What is an alpha particle in a nuclear equation?

Back

An alpha particle is represented as \( \text{ }^{4}_{2}\text{He} \) in a nuclear equation.

Tags

NGSS.HS-PS1-8

Front

What does the 'Z' represent in a nuclear symbol?

Back

The 'Z' represents the atomic number of the element.

Tags

NGSS.HS-PS1-8

Front

How do you calculate the number of neutrons in an atom?

Back

Number of neutrons = Mass number - Atomic number.

Front

What is the result of alpha decay of Protactinium (Pa)?

Back

Alpha decay of Protactinium (Pa) results in Actinium (Ac).

Tags

NGSS.HS-PS1-8

Front

What is the mass number of an alpha particle?

Back

The mass number of an alpha particle is 4.

Front

What is the atomic number of an alpha particle?

Back

The atomic number of an alpha particle is 2.

Front

How is beta decay different from alpha decay?

Back

In beta decay, a neutron is converted into a proton, emitting a beta particle, while in alpha decay, an alpha particle is emitted.

Tags

NGSS.HS-PS1-8

Front

What is the notation for a beta particle?

Back

A beta particle is represented as \( \text{ }^{0}_{-1}\text{e} \) in nuclear equations.

Tags

NGSS.HS-PS1-8

Front

What happens to the atomic number during alpha decay?

Back

The atomic number decreases by 2 during alpha decay.

Tags

NGSS.HS-PS1-8

Front

What happens to the mass number during alpha decay?

Back

The mass number decreases by 4 during alpha decay.

Tags

NGSS.HS-PS1-8