Front

Which subatomic particle has a positive charge?

Back

Protons

Tags

NGSS.HS-PS1-8

Front

Which subatomic particle has a negative charge?

Back

electrons

Front

Which subatomic particle has no charge or is neutral?

Back

Neutrons

Front

True or False: Protons and Neutrons have about the same mass.

Back

True

Front

In a neutral atom,

Back

protons = electrons

Front

What is the mass number?

Back

the number of protons and neutrons

Front

What is the atomic number of this atom? Options: 1, 3, 4, 7

Back

3

Tags

NGSS.HS-PS1-1

Front

What is the mass number of this atom?

Back

7

Front

Which part of an atom is used to identify it?

Back

number of protons

Front

Which of the following is true about isotopes?

• They have different atomic numbers but the same mass number
• They have the same atomic number but a different number of neutrons
• They have different numbers of electrons but the same number of protons
• They are always ions

Back

They have the same atomic number but a different number of neutrons