Nuclear Decay

Front

Alpha particles.....

Back

are positively charged.

Front

The process of nuclear change in an atom of radioactive material is called...

Back

nuclear decay

Front

During beta decay, a nucleus ....

Back

gains a proton and loses a neutron.

Front

When a nucleus undergoes nuclear decay by gamma rays, the atomic number of the element...

Back

remains the same

Front

Radioactive materials have unstable...

Back

nucleus

Front

The type of radioactive particle that can be stopped by a sheet of paper is the ____.

Back

alpha particle

Front

The most penetrating type of radiation is the ____.

Back

gamma ray

Front

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

Back

alpha particle

Front

Negatively charged particles emitted from a nucleus at a high speed are ____.

Back

beta particles

Front

The three types of nuclear radiation in increasing (low to high) order of penetrating power are ____.

Back

alpha, beta, gamma