what cannot be changed into simple substances by chemical raction or heat?

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Helping 7th grader with science homework

2006-10-16 13:13:25 · 2 answers · asked by KahneDame 2 in Science & Mathematics ➔ Chemistry

A material that can not be broken down into simpler substances by chemical means is an element.

2006-10-16 13:51:34 · answer #1 · answered by science teacher 7 · 0⤊ 0⤋

I'm pretty sure that would be elements.

2006-10-16 13:15:29 · answer #2 · answered by KatyZo 3 · 0⤊ 0⤋