Wednesday 11/6

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

• 22
• 11
• 12
• 2

Where is the proton located?

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

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

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

What is the atomic mass of Neon?

• 10
• 20.18
• 10.18
• 20.18

How many protons are in Beryllium?

• 4
• 9
• 5
• 2

How many neutrons are in a Gold atom?

• 79
• 196
• 118
• 275

How many electrons does an Iodine atom have?

• 53
• 126
• 73
• 179

What is the atomic weight of Iron?

• 26
• 55.845
• 56
• 30

How many electrons are in a gold atom?

• 79
• 196
• 117
• 275

What is at the center of every atom?

• An electron

• A compound

• A molecule

• A nucleus