Periodic Table and Atomic Numbers

What element has atomic number 8

• Phosphorus

• Oxygen

• Carbon

• Tin

What is Hydrogen's atomic number?

• 1

• 2

• 3

• 4

The element with atomic number 10 is

• Flourine

• Helium

• Silicon

• Neon

Mg is the chemical symbol for

• Mercury

• Mendeleviun

• Magnesium

• Tin

Zincs atomic number is

• 23

• 17

• 31

• 30

Calcium's chemical Symbol is

• Cm

• C

• Ca

Chlorine's atomic number is

• 8

• 9

• 16

• 17

The chemical symbok "K" is the element

• Potassium

• Sodium

• Phosphorus

• Bromine

The element that has an atomic number of 16 is

• Argon

• Phosphorus

• Sulfur

• Aluminum

The element that atomic number 78 is

• Iridium

• Platinum

• Gold

• Mercury