Atomic Structure

Front

What is the mass number of an atom with 10 protons and 15 neutrons?

Back

25

Front

Where are electrons located in an atom?

Back

In spaces around the nucleus

Front

What are subatomic particles with a negative charge?

Back

Electrons

Front

What determines the identity of an element?

Back

Number of protons

Front

What are subatomic particles with a positive charge?

Back

Protons

Front

What is the charge of neutrons?

Back

Neutrons have no charge (neutral).

Front

What is the nucleus of an atom composed of?

Back

Protons and neutrons.

Front

What is the atomic number of an element?

Back

The number of protons in the nucleus of an atom.

Front

How do you calculate the mass number of an atom?

Back

Add the number of protons and neutrons.

Front

What is an isotope?

Back

Atoms of the same element with different numbers of neutrons.