Question

Define the terms-
1) Elements
2) Compounds
3) Mixtures​

Answer 1

Answer:

elements are pure substances

Answer 2

Answer:

1) element - each of more than one hundred substances that cannot be chemically interconverted or broken down into simpler substances and are primary constituents of matter. Each element is distinguished by its atomic number, i.e. the number of protons in the nuclei of its atoms.

2)compound - a thing that is composed of two or more separate elements; a mixture.

3) mixture -a substance made by mixing other substances together.