Does the isotopic composition of an element affect the law of definite proportions?

Answer 1

No.

Every element in any compound is made up of its various isotopes. The reason an element's relative atomic mass, also known as its atomic weight, on the periodic table is never a whole number is because it is the weighted average of the element's isotopic masses.

Since the protons and electrons in the various isotopes of an element are equal, their reactions when forming compounds are also equal.

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Answer 2

Avery Adams

The law of definite proportions is based on the fixed ratio of masses between elements in a compound, regardless of isotopic variations, so no, it is not affected by the isotopic composition of an element.

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.