Periodic The Table REVIE W

Periodic Table Review Write the missing information (?) for each number.

NOTE: The symbol means that the element symbol is unexpected.

Hydrogen 1 ? )

Helium 2 ? )

Lithium 3 ? )

Beryllium 4 ? )

Boron 5 ? )

? 6 C )

? N 7.)

? O 8.)

Fluorine ? 9.)

Neon ? 10.)

Sodium ? 11.)

Magnesium ? 12.)

Aluminum ? 13.)

Silicon ? 14.)

Phosphorous ? 15.)

? S 16.)

? Cl 17.)

Argon ? 18.)

Potassium ? 19.)

? Ca 20.)

Titanium ? 21.)

Chromium ? 22.)

Manganese ? 23.)

Iron ? 24.)

Cobalt ? 25.)

? Ni 26.)

Copper ? 27.)

? Zn 28.)

Silver ? 29.)

Tin ? 30.)

? Pt 31.)

Gold ? 32.)

Mercury ? 33.)

Lead ? 34.)

Carbon C 35.) How many protons does an atom of carbon have?

Bromine Br 36.) How many protons does an atom of bromine have?

Tungsten W 37.) How many protons does an atom of tungsten have?

Gold Au 38.) How many electrons does an atom of gold have?

Sodium Na 39.) How many electrons does an atom of sodium have?

Chlorine Cl 40.) How many neutrons does an atom of chlorine have?

Copper Cu 41.) How many neutrons does an atom of copper have?

Mercury Hg 42.) How many neutrons does an atom of mercury have?

Hydrogen H 43.) How many electrons does an atom of hydrogen have?

Hydrogen H 44.) How many neutrons does an atom of hydrogen have?

Lithium Li 45.) Which letter is the atomic number? A B C D

Lithium Li 46.) Which letter is the atomic mass? A B C D

Lithium Li 47.) Which letter is the number of protons in one atom of lithium? A B C D

Lithium Li 48.) Which letter is the number of protons and neutrons in one atom of lithium? A B C D

Antimony ? 49.)

? U 50.)

Created by PJ Creek 8 th Grade Social Studies & Science Teacher Amelia Carriel Junior High School O’Fallon, Illinois 2010