Chemistry Review

What are the subatomic particles?

• Proton

• Neutron

• Electron

• Phtoton

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-5

Subatomic particles with a negative charge

• Electrons

• Neutrons

• Protons

• Quarks

Subatomic particles with a positive charge

• neutrons
• atomic mass
• protons
• isotopes

Subatomic particles that are neutral in charge

• Neutrons
• Protons
• Nucleus 
• Electrons

Which two subatomic particles make up the nucleus of an atom?

• Protons and Electrons
• Neutrons and Electrons
• Electrons and Protons
• Protons and Neutrons

Tags

NGSS.MS-PS1-1

Where are the Electrons found in the structure of an atom?

• In the nucleus
• In spaces around the nucleus

Tags

NGSS.MS-PS1-1

What is a valence electron?

• an electron that is found in the outermost shell of an atom. 
• an electron found in the innermost shell of an atom.
• an electron found in the middle shell.

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

If an atom has 12 positively charged subatomic particles, which of the following must it also have to be considered a neutral atom?

• 12 neutrons
• 12 electrons
• 12 protons
• 24 protons and neutrons

Tags

NGSS.MS-PS1-1

An atom has 10 protons, 15 neutrons and 10 electrons what is its mass number.

• 20

• 10

• 35

• 25

What happens when an atom loses an electron?

• Neutral (no charge)
• Positive charge
• Negative charge