2.2 - Periodic Table

Which of these elements is a metal?

• Iodine, I
• Neon, Ne
• Oxygen, O
• Calcium, Ca

Which of these elements is a non-metal?

• Phosphorus, P
• Magnesium, Mg
• Lead, Pb
• Cadmium, Cd

Which of these elements is a metalloid?

• Silicon, Si
• Nitrogen, N
• Gallium, Ga
• Selenium, Se

Which of these elements belongs to the Halogen family?

• Helium, He
• Sulfur, S
• Nitrogen, N
• Bromine, Br

Which of these elements belongs to the Alkali Metals Family?

• Potassium, K
• Calcium, Ca
• Scandium, Sc
• Titanium, Ti

Which family does Radium (Ra) belong to?

• Alkali Metals
• Alkaline Earth Metals
• Halogens
• Noble Gases

Which of these elements is in period 3?

• Bromine, Br
• Helium, He
• Boron, B
• Argon, Ar

Which of these elements is in group 18?

• Nitrogen, N
• Oxygen, O
• Fluorine, F
• Neon, Ne

Which element has an atomic number of 12?

• Carbon, C
• Magnesium, Mg
• Chromium, Cr
• Cadmium, Cd

In 1869, this scientist developed the periodic table. Name that scientist!

• John Dalton
• Ernest Rutherford
• Dmitri Mendeleev
• Rubeus Hagrid