Atomic Structure Review

Subatomic particles with a negative charge

• Electrons

• Neutrons

• Protons

• Quarks

Tags

NGSS.MS-PS2-3

This is how you find the number of neutrons in an atom. 

• Subtract the atomic number from the atomic mass
• Subtract the atomic mass from the atomic number 
• Add the atomic mass to the atomic number 
• Divide the atomic mass by the atomic number 

How many protons does an O atom have?

• 8

• 24

• 16

• When is lunch?

Subatomic particles with a positive charge

• neutrons
• atomic mass
• protons
• isotopes

Tags

NGSS.HS-PS1-8

What is the atomic mass of barium

• 56

• 82

• 137

• 138

Tags

NGSS.MS-PS1-1

If an atom has 3 electrons, how many protons does it have?

• 1
• 2
• 4
• 3

Tags

NGSS.MS-PS1-1

Subatomic particles that are neutral in charge

• Neutrons
• Protons
• Nucleus 
• Electrons

How many protons does indium have?

• 49

• 66

• 114

• 115

Tags

NGSS.MS-PS1-1

What is the mass number?

• the number of protons
• the number of protons and neutrons
• the number of neutrons
• the number of protons and electrons

Tags

NGSS.HS-PS1-8

What is the atomic number?

• the number of protons
• the number of protons and neutrons
• the number of neutrons
• the number of protons and electrons