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Questions and Answers
What does the law of multiple proportions state about elements A and B?
What does the law of multiple proportions state about elements A and B?
- The mass of A is variable even if the mass of B is fixed.
- They can combine in whole number ratios when forming more than one compound. (correct)
- The combination of A and B always results in non-integer mass ratios.
- They can only form one compound together.
In the context of the law of multiple proportions, what remains constant when two elements form multiple compounds?
In the context of the law of multiple proportions, what remains constant when two elements form multiple compounds?
- The mass of A and B combined.
- The total mass of elements A and B combined.
- The fixed mass of B with varying mass of A. (correct)
- The ratio of B to A in each compound.
How do the masses of element A relate when it combines with a fixed mass of element B in different compounds?
How do the masses of element A relate when it combines with a fixed mass of element B in different compounds?
- They are in the same whole number ratios. (correct)
- They are always equal.
- They vary in arbitrary ratios.
- They are in fixed fractional ratios.
What happens when two elements can form more than one compound according to the law of multiple proportions?
What happens when two elements can form more than one compound according to the law of multiple proportions?
What characterizes the compounds formed by elements A and B under the law of multiple proportions?
What characterizes the compounds formed by elements A and B under the law of multiple proportions?
Flashcards
Law of Multiple Proportions
Law of Multiple Proportions
When elements combine to form multiple compounds, the masses of one element that combine with a fixed mass of the other element are in ratios of small whole numbers.
Combining masses
Combining masses
The relative masses of elements combining to form different compounds.
Whole number ratios
Whole number ratios
The ratios of combining masses of elements are always small whole numbers (e.g., 1:2, 2:3, etc.).
Chemical compounds
Chemical compounds
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Elements A and B
Elements A and B
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Study Notes
Law of Multiple Proportions
- If two elements (A and B) form multiple compounds,
- the masses of element A that combine with a fixed mass of element B are in a ratio of small whole numbers.
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