Atomic Number

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 atomic number of this nucleus?

• 1
• 3
• 4
• 7

Tags

NGSS.MS-PS1-1

What is the atomic number of this atom?

• 4
• 5
• 9
• none of the above

Tags

NGSS.MS-PS1-1

What is the atomic number of this atom?

• 9
• 10
• 19
• 27

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

What is the atomic number of this atom?

• 1
• 2
• 3
• 4

Tags

NGSS.MS-PS1-1

What is the atomic number of this atom?

• 7
• 14
• 21
• none of the above

Tags

NGSS.MS-PS1-1

What is the atomic number of this atom?

• 8
• 16
• 24
• none of the above

Tags

NGSS.MS-PS1-1

Which particle has a positive charge?

• electron
• orbital
• proton
• neutron

This particle determines what element you have - the elements identity or "personality"?

• electron
• proton
• neutron
• valence shell