Periodic Table for Grade 7

What does the atomic number of an element represent?

• Number of neutrons in the nucleus of an atom

• Number of electrons in the nucleus of an atom

• Number of protons in the nucleus of an atom

• Number of isotopes in the nucleus of an atom

What is the chemical symbol for Gold?

• Fe

• Au

• Ag

• Pt

Is Sodium a metal or non-metal?

• liquid

• gas

• non-metal

• metal

Which element has the atomic number 8?

• Nitrogen

• Helium

• Carbon

• Oxygen

What is the chemical symbol for Iron?

• Io

• Ir

• In

• Fe

Is Oxygen a metal or non-metal?

• Metal

• Non-metal

• Compound

• Liquid

What is the atomic number of Carbon?

• 7

• 8

• 6

• 5

What is the chemical symbol for Silver?

• Sv

• Sl

• Ag

• Si

Is Mercury a metal or non-metal?

• liquid

• gas

• metal

• plastic

Which element has the atomic number 20?

• Iron

• Sodium

• Calcium

• Potassium