PEN

What is the atomic mass of Neon?

• 10

• 20.18

• 10.18

• 9.82

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 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 are in a gold atom?

• 79

• 196

• 117

• 275

What does the topmost number (3) represent?

• Mass Number

• Atomic Number

• Atomic Mass

• Number of Neutrons

How many neutrons does an Oxygen atom have?

• 8

• 16

• 24

• 7.999

What does the bottom most number (39.098) represent?

• Atomic number

• Atomic mass

• Number of protons

• Number of electrons