Atomic Structure

Beryllium-10 has how many neutrons?

• 10

• 6

• 4

• 14

The symbol for the element tin is:

• Sn

• T

• Tn

• Ti

How many electrons does this atom have?

• 28

• 12

• 2

• 10

This atom has how many neutrons?

• 16

• 14

• 12

• 10

Which 4 items are correct for Iron (in order)?

• Fe, 26, 26, 30

• Ir, 26, 56, 56

• Ir, 26, 30, 26

• Fe, 26, 30, 26

What element is this?

• Boron

• Berkelium

• Barium

• Bromine

The difference between boron-10 and boron-11 is that they have different numbers of:

• protons

• neutrons

• electrons

• both neutrons and electrons

Fluorine has:

• 19 protons

• 9 protons

• 10 protons

• 28 protons

What element is this?

• Copper

• Cerium

• Carbon

• Cobalt

How many electrons does this atom have?

• 25

• 27

• 29

• 31