the-chemical-symbol-of-the-element-is-represented-by-x-in-the-atoms-listed-below

Question

The chemical symbol of the element is represented by X in the hypothetical atoms listed below:

Five hypothetical atoms with varying mass numbers and chemical symbol X.

Identify which hypothetical atoms have equal mass numbers.

Accepted Answer

Three hypothetical atoms with mass numbers 115X, 115X, and 115X.

Answer

Three hypothetical atoms showing mass numbers 115X, 116X, and 115X.

Answer

Three hypothetical atoms with mass numbers 116X, 115X, and 115X.

Answer

Three hypothetical atoms with mass numbers 115X, 115X, and 117X.

The chemical symbol of the element is represented by X in the hypothetical atoms listed below:Identify which hypothetical atoms have equal mass numbers.