Practice Important Terms (5.7.2) - Language of Chemistry

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11 questions

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6 sample questions

Question 1.
What does the symbol 'H' represent?
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Think of the first letter of the element’s name.
Question 2.
What is atomicity of Oxygen in O₂?
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Consider how many O's are in the formula.
3Question 3.
What does the symbol 'H' represent?
- Hydrogen
- Helium
- Holmium
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It is the first element on the periodic table.
4Question 4.
True or False: Atomicity is the number of atoms in a molecule.
- True
- False
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Recall the definition directly.
Question 5.
Balance the equation: C₃H₈ + O₂ → CO₂ + H₂O.
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Start by balancing carbon, followed by hydrogen, and finally oxygen.
Question 6.
Identify the radicals and their valencies in BaSO₄.
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Recognize barium’s charge and check how many oxygen atoms are present in the sulfate group.

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