Atomic Structure

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.MS-PS1-1

What subatomic particle is electrically neutral (no charge)?

• Proton
• Ion
• Neutron
• Electron

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

Label the correct subatomic particles

a

b

c

proton

electron

neutron

Tags

NGSS.MS-PS1-1

The total number of protons and neutrons in an atom is called the...

• Atomic number
• Proton number
• Mass number
• Weight number

How many protons does this atom have?

• 2.5
• 6
• 5
• 10.811

Tags

NGSS.MS-PS1-1

In order for me to find the number of neutrons, I must round the atomic mass and then do what?

• atomic number-atomic mass
• atomic number x atomic mass
• atomic mass + atomic number
• atomic mass - atomic number

Tags

NGSS.MS-PS1-1

How many neutrons are in Magnesium?

• 36

• 12

• 24

• 6

Tags

NGSS.MS-PS1-1

How many electrons are in Sulfur?

• 32

• 16

• 48

• 8

Tags

NGSS.MS-PS1-1

What is the mass of this atom?

• 10

• 9

• 6

• 3

Tags

NGSS.MS-PS1-1