Periodic Table of Elements

What is the atomic number and symbol for Hydrogen?

• 3, He

• 1, O

• 1, H

• 2, H

Which group classification does Oxygen belong to?

• Metals

• Metalloids

• Noble Gases

• Nonmetals

In which period of the periodic table can you find Sodium?

• Period 7

• Period 5

• Period 3

• Period 2

What is the atomic number and symbol for Iron?

• In - 26

• Fe - 26

• Ir - 25

• Fe - 28

Which group classification does Helium belong to?

• Transition metals

• Noble gases

• Alkali metals

• Halogen gases

In which period of the periodic table can you find Chlorine?

• Period 5

• Period 7

• Period 3

• Period 2

What is the atomic number and symbol for Carbon?

• O - 8

• C - 6

• N - 7

• H - 3

Which group classification does Neon belong to?

• Halogens

• Transition Metals

• Alkali Metals

• Noble Gases

In which period of the periodic table can you find Potassium?

• Period 6

• Period 2

• Period 8

• Period 4

What is the atomic number and symbol for Gold?

• Ag, 47

• Fe, 26

• Au, 79

• Hg, 80