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Questions and Answers
According to Dalton’s Atomic Theory, what do chemical compounds consist of?
According to Dalton’s Atomic Theory, what do chemical compounds consist of?
- Atoms of the same element combining in variable ratios
- Atoms of different elements combining in fixed ratios (correct)
- Molecules of different elements combining in fixed ratios
- Molecules of the same element combining in variable ratios
Who postulated the existence of electrons as the first subatomic particles?
Who postulated the existence of electrons as the first subatomic particles?
- Avogadro
- Antoine Lavoisier
- J.J. Thomson (correct)
- John Dalton
What did Avogadro's Hypothesis state about equal volumes of different gases at the same temperature and pressure?
What did Avogadro's Hypothesis state about equal volumes of different gases at the same temperature and pressure?
- They have the same atomic weight
- They have the same density
- They contain the same mass
- They contain the same number of particles (correct)
According to the Law of Conservation of Mass, what happens to mass during a chemical reaction?
According to the Law of Conservation of Mass, what happens to mass during a chemical reaction?
What did Dalton's Atomic Theory state about atoms of different elements?
What did Dalton's Atomic Theory state about atoms of different elements?
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