Theory. It might be disproved in the future, so it can not be a law until it solid as a rock. Brainliest the answer and I will explain more.
If your question means "How can you tell if a substance is a binary compound?"
<span>Then I'll answer this.
A binary compound is a chemical compound composed of only two elements.
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Answer: Xe, Kr, Ar, Ne
Explanation:
Hope i helped please mark brainliest!
