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Questions and Answers
What did Lavoisier and other scientists note about compounds?
What did Lavoisier and other scientists note about compounds?
- Compounds are composed of two or more elements in varying proportions
- Compounds are composed of a single element in fixed proportions
- Compounds are composed of a single element in varying proportions
- Compounds are composed of two or more elements in fixed proportions (correct)
What is the ratio of the mass of hydrogen to the mass of oxygen in water?
What is the ratio of the mass of hydrogen to the mass of oxygen in water?
- 1:8 (correct)
- 5:3
- 2:1
- 3:7
What is the ratio of nitrogen to hydrogen in ammonia?
What is the ratio of nitrogen to hydrogen in ammonia?
- 14:3 (correct)
- 2:1
- 3:14
- 7:3
What is the law of constant proportions also known as?
What is the law of constant proportions also known as?
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Who provided the basic theory about the nature of compounds and their proportions?
Who provided the basic theory about the nature of compounds and their proportions?
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