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Questions and Answers
What is the significance of the formula of CaCO3?
What is the significance of the formula of CaCO3?
- It represents the qualitative and quantitative composition of a substance (correct)
- It represents the atomic weights of the elements
- It represents the number of atoms in a molecule
- It represents the name of the element
What is the symbol for Boron?
What is the symbol for Boron?
- Bo
- Bn
- Br
- B (correct)
What is the atomic weight of oxygen?
What is the atomic weight of oxygen?
- 16 (correct)
- 20
- 12
- 24
What is the name of the element represented by the symbol 'P'?
What is the name of the element represented by the symbol 'P'?
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How are symbols for elements written?
How are symbols for elements written?
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Why are two letters used to represent some elements?
Why are two letters used to represent some elements?
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What is the molecular weight of CaCO3?
What is the molecular weight of CaCO3?
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What is the formula of calcium carbonate?
What is the formula of calcium carbonate?
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What does the symbol 'I' represent?
What does the symbol 'I' represent?
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How many parts by weight of oxygen are in one mole of calcium carbonate?
How many parts by weight of oxygen are in one mole of calcium carbonate?
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