Unit 3 Review SY25

Label the correct subatomic particles

a

b

c

electron

proton

neutron

Tags

NGSS.MS-PS1-1

What is the name of this element?

• Helium
• Hydrogen
• Argon
• Silver

Tags

NGSS.MS-PS1-1

What element is represented in this Bohr Model?

• Carbon

• Hydrogen

• Aluminum

• Lithium

Tags

NGSS.MS-PS1-1

What is the name of this element?

• Lithium
• Boron
• Carbon
• Neon

Tags

NGSS.MS-PS1-1

What is the mass number of this atom?

• 1
• 3
• 4
• 7

Tags

NGSS.MS-PS1-1

What is the atomic number of this atom?

• 2
• 4
• 6
• none of the above

Tags

NGSS.MS-PS1-1

Isotopes are elements with a different amount of

• protons
• neutrons
• electrons
• atoms

an element will always have the same number of 

• neutrons
• protons
• isotopes
• atoms

How are electrons arranged in an atom?

• In groups of five
• In energy levels
• By color
• By shape

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

How many electrons can fit on the 1st energy level (orbital) for any Bohr Model?

• 2

• 6

• 8

• 10