Chemistry vocab

What is Chemistry?

Chemistry is a natural science that deals with Matter and the changes it undergoes

what is matter?

matter is anything that has mass and occupies space

solid has definite ________ and ________

Shape and volume

Liquid has definite volume but takes shape of its____

container

vapor

gaseous state of a substance that generally exists as a liquid or solid

mass

the amount of matter an object contains

substance

matter that has a uniform and definite composition

physical change

altering of a material without changing its chemical composition

physical property

a quality or condition of a substance that can be observed or measured without chaning the substances composition

mixture

Physical combination of two or more substances

homogenous mixture is also known as

a solution

Solution

homogeneous mixture

distillation

method of separation involving boiling and re condensation of a liquid

heterogeneous mixture

a mixture which is not uniform in composition

phase

any part of a system with uniform composition and properties

elements

simplest form of matter than can exist under normal conditions

compound

a physical blend of two or more substances

chemical symbol

a one or two letter representation for an element

5 branches of chemistry

Organic chemistry, Inorganic chemistry, Analytical chemistry, physical chemistry, and biochemistry

difference between physical and chemical change

Physical change alters the substance without changing its chemical properties, while chemical change results in a new substance with different chemical properties