Question

definition of chemistry​

Answer 1

Answer:

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.

2.

the complex emotional or psychological interaction between people.

Answer 2

Explanation:

Definition of chemistry

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

2a: the composition and chemical properties of a substance

the chemistry of iron

b: chemical processes and phenomena (as of an organism)

blood chemistry

3a: a strong mutual attraction, attachment, or sympathy

they have a special chemistry

b: interaction between people working together

specifically : such interaction when harmonious or effective