131k views
5 votes
Which cannot be separated into simpler substances?

2 Answers

6 votes

Answer:

A pure substance

Step-by-step explanation:

User Casper Bang
by
5.2k points
4 votes

Answer:

An element is a pure substance that cannot be separated into simpler substances by chemical or physical means. There are about 117 elements.

Step-by-step explanation:

User Habitats
by
5.7k points