Atoms & The Periodic Table

Atomic mass - Atomic Number =

• protons
• neutrons
• electrons
• Average Mass

An element is defined by its number of 

• protons
• electrons
• neutrons
• protons + electrons

Which atom is labeled correctly?

• A
• B
• C
• D

Tags

NGSS.MS-PS1-1

What charge does a proton have?

• Negative
• Positive
• Neutral

Tags

NGSS.MS-PS2-3

What charge does an electron have?

• Negative
• Positive
• Neutral

Tags

NGSS.HS-PS2-4

What charge does a neutron have?

• Positive
• Negative
• Neutral

What subatomic particles would you find in the nucleus of an atom?

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

Tags

NGSS.HS-PS1-8

What subatomic particle(s) would be found orbiting the nucleus?

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

Tags

NGSS.MS-PS1-1

Which subatomic particles contribute the most to the mass of an atom?

• Protons, Neutrons, Electrons
• Protons only
• Protons and Electrons
• Protons and Neutrons

Tags

NGSS.MS-PS1-1

The first energy level can hold up to how many electrons?

• 8
• 4
• 2
• 5

Tags

NGSS.HS-PS1-1