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Common Uses
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Symbols
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100
Found in bones, shell and milk, Earth's crust, yogurt and cheese.
What is calcium
100
Combines with sodium to make salt found in oceans.
What is chlorine?
100
Cl
What is Chlorine?
100
Al
What is Aluminum?
100
Symbol for Uranium?
What is U?
200
Found in stars and our sun, propane, in us, gas.
What is hydrogen?
200
Found in party balloons and our sun and stars
What is Helium?
200
Mg
What is Magnesium?
200
Ca
What is Calcium?
200
all living things are made of this and can help tell age of rocks.
What is Carbon?
300
Salt we use on food, found in the ocean water and Earth's crust.
What is sodium?
300
Used in steel structures, Earth's crust and core, cereal, lava lamps.
What is Iron?
300
He
What is Helium?
300
N
What is Nitrogen?
300
Our air and Earth's crust
What is Oxygen?
400
Found in plants and rocks and rockets, Earth's crust and cereal.
What is Magnesium?
400
Used to make airplane parts and found in Earth's crust.
What is Aluminum?
400
Ni
What is Nickel?
400
Si
What is Silicon?
400
Found in coins, make up Earth's core
What is Nickel?
500
Found in rocks, sand and soil of Earth's crust.
What is silicon?
500
Found in muscle building protein and atmosphere, steak, peanut butter, energy bars.
What is Nitrogen?
500
Na
What is Sodium?
500
Fe
What is Iron?
500
Used in nuclear bombs
What is Uranium?