Atomic Math

Add the atomic number of Sodium to the number of electrons in Aluminum.

• 24

• 13

• 11

• 26

Tags

NGSS.MS-PS1-1

Divide your answer for #1 by the number of protons in Oxygen.

• 3

• 2

• 4

• 5

Tags

NGSS.MS-PS1-1

Multiply by the mass number (rounded) of Neon.

• 20

• 18

• 22

• 24

Add the number of neutrons in Potassium.

• 40

• 20

• 60

• 50

Subtract the number of electrons in Zinc from problem #4.

• 30

• 20

• 50

• 40

Divide your previous answer by the atomic number of Manganese.

• 2

• 3

• 4

• 5

Multiply by the number of protons in Fluorine.

• 18

• 14

• 16

• 12

Tags

NGSS.MS-PS1-1

Add the mass number (rounded) of Magnesium to the answer for #7.

• 42

• 40

• 44

• 46

Divide by the number of neutrons in the isotope Carbon 13.

• 6

• 5

• 4

• 3

Tags

NGSS.MS-PS1-1

You now have the atomic number of element X. What is the element?

• Boron

• Oxygen

• Neon

• Carbon

Tags

NGSS.MS-PS1-1