Barium reacts with a polyatomic ion to form a compound with the general formula ba3(x)2. what would be the most likely formula for the compound formed between sodium and the polyatomic ion x?

a. nax
b. na2x
c. na2x2
d. na3x
e. na3x2

D. Na₃X

Explanation:

We have the neutral compound Ba₃(X)₂. The total charge (zero) is equal to the sum of the charges of the ions times the number of ions in the molecule.

3 × qBa + 2 × qX = 0

3 × (+2) + 2 × qX = 0

2 × qX = -6

qX = -3

If we have the cation Na⁺ and X³⁻, a neutral molecule would require 3 Na⁺ and 1 X³⁻. The resulting compound is Na₃X.

gas

explanation:

smoke is the matter of a gas