6 atoms of element A combine with 8 atoms of element B to produce 6 compound particles. How many atoms of elemnt A and element B does each particle contain? Are all atoms used to form compounds?

Question

Chemistry

Oakley

16 February, 13:31

6 atoms of element A combine with 8 atoms of element B to produce 6 compound particles. How many atoms of elemnt A and element B does each particle contain? Are all atoms used to form compounds?

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Quinton Walsh · Answer 1

Each molecule contains one atom of A and one atom of B. The reaction does not use all of the atoms to form compounds.

A + B ⟶ Product

Particles: 6 8 6

If six A atoms form six product molecules, each molecule can contain only one A atom.

The formula of the product is ABₙ.

If n = 1, we need six atoms of B.

If n = 2, we need 12 atoms of B. However, we have only eight atoms of B, so the formula of the product must be AB.

Thus, 6A + 6B ⟶ 6AB, with two B atoms left over.