2.03 atomic number and mass number ticket out the door

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

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

What is the atomic number of this atom?

• 1
• 3
• 4
• 7

Tags

NGSS.MS-PS1-1

What is the atomic mass of this atom?

• 1

• 3

• 4

• 7

Tags

NGSS.MS-PS1-1

A fluorine atom has 9 protons and 10 neutrons. What is the atomic number of fluorine?

• 9
• 10
• 19
• 1

Tags

NGSS.MS-PS1-1

A phosphorus atom has 15 protons and 16 neutrons. What is the mass number?

• 15
• 16
• 31
• 1

Tags

NGSS.MS-PS1-1