Question

how many substances we are what are they?​

Answer 1

Explanation:

Types of Substances

All elements are listed on the periodic table, and there are at least 118 of them known to man! Examples of elements include carbon (C), hydrogen (H), oxygen (O), and sodium (Na), just to name a few.

Answer 2

Answer:

there are 118 substances in the periodic table which are known to mankind