Question

Substances that cannot be broken down into simpler type of matter by physical or

chemical means_________.​

Answer 1

Answer:

what is the question

Explanation:

which lesson is this

Answer 2

Answer:

An element is the simplest form of matter that has a unique set of properties. Elements cannot be broken down into a simpler substance. ... Likewise, one element cannot be chemically converted into a different element.

Explanation:

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