Practice Language Of Chemistry (5) - Language of Chemistry

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8 questions

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Exercise
6 questions · about 4 min · pass mark 70%. Hints available.
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6 sample questions

Question 1.
What is the symbol for Sodium?
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Think of its Latin origin.
Question 2.
Define atomicity using your own words.
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How many atoms are in 'He'?
3Question 3.
What is the symbol for Carbon?
- C
- Ca
- Cu
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Think of the first letter of Carbon.
4Question 4.
True or False: The valency of Oxygen is 3.
- True
- False
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What do you remember about Oxygen's electron structure?
Question 5.
Write and balance the chemical equation for the reaction between Magnesium and Oxygen to form Magnesium oxide.
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Use the valencies of each element to determine coefficients.
Question 6.
Explain how you would combine the elements Sodium and Chlorine, given their valencies, and write the resulting chemical formula.
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Remember to use the criss-cross method for combining valencies.

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