Atoms

Front

How many neutrons does Sodium (Na) have?

Back

12

Tags

NGSS.MS-PS1-1

Front

All matter is made of _________.

Back

atoms

Tags

NGSS.MS-PS1-1

Front

__________ are negatively charged particles that are in the orbitals around the nucleus.

Back

electrons

Front

What is the symbol for Krypton?

Back

Kr

Front

The number of protons in an atom is called the .....

Back

Atomic Number

Front

What are the three main subatomic particles?

Back

Protons, Neutrons, Electrons

Front

What charge do protons have?

Back

Positive charge

Front

What is the center of an atom called?

Back

Nucleus

Front

What is the mass of a neutron compared to a proton?

Back

Approximately the same

Front

What is the atomic number of an element?

Back

The number of protons in the nucleus of an atom