Unit 3 Review: Determining Protons Electrons Neutrons Practice

Front

How many neutrons does a H-3 atom have?

Back

2

Front

What is an isotope?

Back

Atoms of the same element with different number of neutrons.

Front

How many electrons are in a gold ion with a charge of +3?

Back

76

Front

A proton is a _____ charged particle.

Back

Positively

Front

How many neutrons are in an Au-197 atom?

Back

118

Front

What is the charge of a neutron?

Back

Neutral (no charge).

Front

What is the atomic number of an element?

Back

The number of protons in the nucleus of an atom.

Front

What is the mass number of an atom?

Back

The total number of protons and neutrons in the nucleus.

Front

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

Back

Mass number - Atomic number = Number of neutrons.

Front

What is the relationship between protons and electrons in a neutral atom?

Back

They are equal in number.