WHAT AM I? P-T-O-E

COLUMNS 1-2-3

100

I am an alkali metal and am one of two elements in common table salt.

Sodium, Na, 11

200

I am a gas and the most abundant element in the universe.

Hydorgen, H, 1

300

I am the heaviest member of the alkaline earth metals.

Radium, Ra, 88

400

I am a group 2 element that is found in bones.

Calcium, Ca, 20

500

I am the lightest (lowest density) of all metals.

Lithium, Li, 3

COLUMNS 7-8-10-11

100

I am named after a planet and was the first known radioactive element.

Uranium, U, 92

200

I am a transition element found in hemoglobin and rust.

Iron, Fe, 26

300

I am a metal with the same name as a U.S. coin.

Nickel, Ni, 28

400

I am used in pennies and electrical wire.

Copper, Cu, 29

500

I am used in jewelry, coins, and mirrors.

Silver, Ag, 47

COLUMNS12-13-16

100

I am a planet, named after a Roman god, and also called quicksilver.

Mercury, Hg, 80

200

I am the only element named after a U.S. state.

California, Cf, 98

300

My name comes from the Latin name for France.

Gallium, Ga, 31

400

I am a strong yet lightweight metal that is used in airplanes and cans.

Aluminum, Al, 13

500

I am named after the “father” of the periodic table.

Mendelevium, Md, 101

COLUMNS14-15

100

I am named in honor of the “father” of relativity.

Einsteinium, Es, 99

200

I am a metalloid that is a major component of sand.

Silicon, Si, 14

300

My name comes from the Latin name for Germany.

Germanium, Ge, 32

400

I am found in diamonds, charcoal, and pencil lead.

Carbon, C, 6

500

I am the major component of air.

Nitrogen, N, 7

COLUMNS17-18

100

I am a brown liquid at STP.

Bromine, Br, 35

200

I am an halogen and am one of two elements in common table salt.

Chlorine, Cl, 17

300

I am the rarest of the inert Noble gases.

Xenon, Xe, 54

400

I am used to make children’s balloons float.

Helium, He, 2

500

I have the same name as Superman’s home planet.

Krypton, Kr, 36