Chapter 3 test

What is the atomic mass of Neon?

• 10

• 20.18

• 10.18

• 20

How many protons are in Beryllium?

• 4
• 9
• 5
• 2

What is the atomic mass of Copper?

• 63.546

• 29

• 29.546

• 92

How many neutrons are in a Gold atom?

• 79
• 196
• 118
• 275

How many electrons does a Copper atom have?

• 63

• 29

• 92

• 34

How many neutrons does a Hydrogen atom have?

• 1

• 2

• 3

• 0

How many electrons does an Iodine atom have?

• 53

• 126

• 73

• 179

How many electrons does an atom of Krypton have?

• 36

• 83.798

• 47.798

• 119.798

What does the topmost number (3) represent?

• Mass Number

• Atomic Number

• Atomic Mass

• Number of Neutrons

How many electrons does a Hydrogen atom have?

• 1

• 2

• 3

• 0