Chemistry Chapter 6

First and Last Name

The simplest form of chemical matter that cannot be broken down without the loss of identity is a(n) _____.

• element
• energy
• substance
• mineral

The branch of science that applies to substances that contain carbon is called _____ chemistry.

• inorganic
• organic
• environmental
• structural

All haircolor products are organic chemicals, which means they _____.

• are natural and healthy
• contain non-synthetic ingredients
• contain carbon and hydrogen
• lack carbon but may contain hydrogen

What is the study of substances that lack the element carbon, but may contain the element hydrogen?

• Inorganic chemistry
• Physical chemistry
• Stereochemistry
• Biochemistry

There are _____ naturally occurring elements, each with its own distinct physical and chemical properties.

• 68
• 98
• 118
• 138

The basic unit of matter, with a nucleus at the center surrounded by negatively charged electrons that move around the nucleus in orbits, is a(n) _____.

• atom
• ion
• proton
• neutron

The chemical combination of two or more atoms of different elements produces a(n) _____ molecule.

• compound
• solution
• neutral
• acid

Sodium chloride is an example of a(n) _____.

• compound molecule
• atom
• element
• mineral

What state of matter has a definite volume but takes the shape of its container?

• Solid
• Liquid
• Gas
• Vapor