Question

what is chemistry??​

Answer 1

the branch of science concerned with the substances of which matter is composed, the investigation of their properties and reactions, and the use of such reactions to form new substances.

Answer 2

$\huge\mathfrak{Answer:}$

a science that deals with the composition, structure, and properties of substances and with the transformations that they undergo.

Explanation:

the science that deals with the properties, composition, and structure of substances (defined as elements and compounds), the transformations they undergo, and the energy that is released or absorbed during these processes.