Periodic Table and Atoms Quiz

What is the term used for the rows in the periodic table?

• Groups

• Periods

• Columns

• Blocks

How many periods are there in the periodic table?

• 6

• 8

• 7

• 5

What does the atomic number of an element represent?

• Number of protons

• Number of atoms

• Number of neutrons

• Number of electrons

Which element is represented by the symbol 'Fe'?

• Francium

• Iron

• Fluorine

• Fermium

How many protons are in a neutral atom of magnesium?

• 10

• 16

• 12

• 14

What is the symbol for potassium on the periodic table?

• Pt

• P

• K

• Po

If an element has 38 protons, what is its name?

• Strontium

• Calcium

• Barium

• Radium

Which element has 20 protons in its nucleus?

• Sodium

• Potassium

• Magnesium

• Calcium

In a neutral atom, the number of protons is equal to the number of what?

• Molecules

• Neutrons

• Atoms

• Electrons

What is the atomic number of sodium?

• 13

• 10

• 11

• 12