Chemistry Review Units 2: Atomic Structure

Front

The elements on the Periodic Table are arranged in order of increasing

Back

atomic number.

Front

Positively charged particles found in the nucleus of an atom are called

Back

protons.

Front

The most dangerous type of radiation is the

Back

gamma ray.

Front

An atom that has 7 protons, 7 neutrons and 10 electrons is an ion of what element?

Back

Nitrogen.

Front

What is the atomic number of an atom with 3 protons?

Back

3.

Front

What is the charge of a proton?

Back

Positive.

Front

What is the charge of a neutron?

Back

Neutral.

Front

What is the charge of an electron?

Back

Negative.

Front

What is the nucleus of an atom composed of?

Back

Protons and neutrons.

Front

What is the atomic mass of an element?

Back

The weighted average mass of an element's isotopes.