When Two Elements, a and B, Form Two Different Compounds

question 93

Multiple Choice

When two elements, A and B, form two different compounds, the masses of element B that combine with 1 g of element A can be expressed as a ratio of small whole numbers. Which law does this refer to?

• A) Law of definite proportions
• B) Law of the conservation of mass
• C) Law of modern atomic theory
• D) Law of multiple proportions
• E) First law of thermodynamics

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