Question

1. what is mole?
2. what is molecules?
3. what is compound?
4. what is elements?​

Answer 1

Answer:

1 a mole is a unit of measurement for amount of a substance

2 a group of atoms bonded together, representing the smallest fundamental unit of chemical compound that can take part in chemical reaction

3 a compound is a chemical substance composed of many identical molecules composed of atoms from more than one element held together by chemical bonds

4 an element is a pure substance consisting only of atoms that all have the same number of protons in thier atomic nuclei