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...Sodium | | ||
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Show clues again | |
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Salt is sodium chloride. It's made from sodium and chlorine atoms. |
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"Your nerves depend on me" Your nerves depend on the balance of sodium and potassium in your body. |
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"You find me in the ocean, in marshes and
in the mines" |
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The biggest single use of sodium is to make the anti-knocking agents that
are found in leaded petrol. The anti-knocking agents in petrol stop your
car backfiring. |
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chemical symbol for sodium is Na Na is short for the latin word natrium.
In some countries sodium is called natrium. |
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atomic number of sodium is 11. |
| Salt
contains atoms of sodium and chlorine. The chemical name for salt is sodium
chloride and the formula is NaCl. Sugar is a carbohydrate. It's made from carbon, hydrogen and oxygen atoms. Rice contains carbohydrate. |
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| Our
nerves depend on the balance of sodium and potassium in our bodies. We
need calcium for healthy bones and teeth and iron to transport oxygen
around our bodies |
| Sodium
fizzes when you put it in water. It does not turn purple and it does not
sink - it floats! It may or may not explode depending on the amount of
(sodium) metal that is exposed to the water. When sodium reacts with water
it forms sodium hydroxide and hydrogen gas. Sodium hydroxide is an alkali,
which is why sodium is sometimes called an alkali metal. |
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