Basics Of Chemistry

What are elements made of?

What type of molecules are chemical combinations of two or more atoms of different elements?

What is the most common element found in the known universe?

Organic chemistry is the study of substances that contain the element ____.

Permanent haircolor creates chemical changes in the hair when ______ takes place.

An example of a physical change is

Ice is water in which state of matter?

When oxygen is chemically removed from a substance, the substance is

Where do conditioners typically range on the pH scale?