Properties of Matter for Select Elements

By: Caroline Kirkland

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FAMILIAR OBJECTS

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Oxygen

a.) density: 0.001429
melting point/ freezing point: -218.79 degrees Celsius, -361.822 degrees F

b.) 2 every day uses:
1. Used to keep living things alive
2. It helps plants grow

c.) picture of oxygen

d.) fun fact: when it is a liquid it is a blue color

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ZINC

a.) density: 7.134
melting/freezing point: 419.53 degrees C, 787.154 degrees F

b.) 2 every day uses:
1. Used in sunscreen
2. It is in some food

c.) picture of zinc

b.) fun fact: a penny is made up of 98% zinc with a copper coating

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COPPER

a.) density: 8.933
melting point/freezing: 1084.62 degrees C , 1984.316 degrees F

b.) everyday uses:
1. pennies have a copper coating on them
2. copper wiring is used in homes

c.) a picture of copper

d.) an interesting fact: Copper is one of the elements that can exist free in nature

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UNFAMILIAR OBJECTS

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COBALT

a.) density: 8.86
melting point/ freezing point: 1495 degrees C ,
2723 degrees F

b.) 2 everyday uses:
1. it is used in blue porcelain
2. it is alloyed with iron, nickel, and other metals

c.) picture of cobalt

d.) an interesting fact: cobalt comes from the German word Kobald, which means evil spirit or goblin

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BARIUM

a.) density: 3.594
melting point/ freezing point: 727 degrees C, 1340.6 degrees F

b.) 2 everyday uses:
1. barium sulfate can be taken as a medicine
2. barium carbonate is used for rat poison

c.) a picture of barium

d.) an interesting fact: barium only occurs in compounds with other elements and can never be used alone

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CHROMIUM

a.) density: 7.15
melting point/ freezing point: 1907 degrees C, 3464.6 degrees F

b.) 2 everyday uses:
1. It is used to harden steel
2. chromium compounds are used as pigments

c.) a picture of chromium

d.) an interesting fact: barium makes up about 0.0425% of the Earth's crust

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                 DENSITIES: LEAST TO MOST DENSE

1. Oxygen

2.Barium

3.Zinc

4.Chromium

5.Cobalt

6.Copper

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MELTING/ FREEZING POINT: LOWEST TO HIGHEST

1.Oxygen

2.Zinc

3.Barium

4.Copper

5.Cobalt

6.Chromium

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