Proton, neutron, electron review

Sodium has an atomic number of 11, how many protons does this atom have?

• 22
• 11
• 12
• 2

Tags

NGSS.MS-PS1-1

Where is the proton located?

• In the very dense nucleus
• Floating around in the negative electron cloud
• the loose nucleus
• the positive electron cloud

Tags

NGSS.MS-PS1-1

What number on the element key tells you how many protons an element has?

• Atomic Mass
• Element name
• Atomic number
• Element Symbol

Elements can have the same number of protons?

• True
• False

Tags

NGSS.MS-PS1-1

What is the atomic mass of Neon?

• 10

• 20.18

• 10.18

• 30.18

How many protons are in Beryllium?

• 4
• 9
• 5
• 2

Tags

NGSS.MS-PS1-1

How many neutrons are in a Gold atom?

• 79
• 196
• 118
• 275

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 does an atom of Krypton have?

• 36
• 83.80
• 47.80
• 119.80

Tags

NGSS.MS-PS1-1

Which two particles make up the nucleus of an atom?

• Protons and Electrons
• Protons and Neutrons
• Molecules and Compounds
• Neutrons and Electrons

Tags

NGSS.MS-PS1-1