PROPERTIES OF MATTER FOR SELECT ELEMENTS

chlorine!

Density: 2030 kg/m-3

Melting/Freezing Point: -101.5 degrees Celsius

Uses: It is used to sterilize drinking water and to sterilize swimming pools.

Interesting Fact: It has a choking smell.

calcium!

Density: 1,530 kg m-3

Melting/Freezing Point: 842 degrees Celsius

Two Uses: Its used as a reducing agent and an alloying agent.

Interesting Fact: Tarnishes rapidly in air.

potassium!

Density: 862 kg m-3

Melting/Freezing Point: 63.5 degrees Celsius

Two Uses: Used in fertilizers and in sulfate.

Interesting Fact: Potassium is the seventh most abundant metal in the Earth’s crust

radium!

Density: 5,000 kg m-3

Melting/Freezing Point: 696 degrees Celsius

Two Uses: Used to treat cancer and in luminous paints.

Interesting Fact: Its toxic due to its radioactivity

tantalum!

Density: 16,670 kg m-3

Melting/Freezing Point: 3017 degrees Celsius

Two Uses: It can replace bones and make alloys.

Interesting Fact: Its resistant to corrosion.

vanadium!

Density: 6090 kg m-3

Melting/Freezing Point: 1910 degrees Celsius

Two Uses: Makes steel shocks and alloys.

Interesting Fact: Its essential to humans.

Greatest to Least densities-

tantalum, vanadium, radium, calcium, and potassium

Greatest to Least Melting/Freezing Point-

tantalum, vanadium, calcium, radium, chlorine, then potassium

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