Protons Electrons Neutrons Atoms Ions Isotopes

How many protons are in Beryllium?

• 4
• 9
• 5
• 2

Tags

NGSS.MS-PS1-1

What is the atomic mass of Copper?

• 63
• 29
• 34
• 92

Tags

NGSS.HS-PS1-1

How many neutrons are in a Gold atom?

• 79
• 196
• 118
• 275

Tags

NGSS.MS-PS1-1

How many electrons does a Copper atom have?

• 63
• 29
• 92
• 34

Tags

NGSS.HS-PS1-1

What is the atomic mass of Gold?

• 79
• 196.9665
• 117
• 275

What is the mass number of Helium?

• 4
• 2
• 6
• 1

What is the atomic mass of Hydrogen?

• 1
• 2
• 3
• 0

How many neutrons does a Hydrogen atom have?

• 1
• 2
• 3
• 0

Tags

NGSS.MS-PS1-1

How many electrons does an Iodine atom have?

• 53
• 126
• 73
• 179

Tags

NGSS.MS-PS1-1

How many electrons are in a gold atom?

• 79
• 196
• 117
• 275

Tags

NGSS.HS-PS1-1