BA Ch.07 ER - Basics of Chemistry

What term applies to all living things and those things that were once alive?

• Inorganic

• Matter

• Organic

• Element

Gasoline, synthetic fabrics, plastics, and pesticides are all considered organic because they are manufactured from:

• Natural gas and oil

• Subatomic particles

• Sodium chloride

• Ammonium thioglycolate acid

Metals, minerals, water, air, and ammonia are all examples of __________ substances.

• live

• inorganic

• natural

• organic

Organic chemistry is the study of substances that contain the element:

• Oxygen

• Hydrogen

• Sulfur

• Carbon

Which of the following is defined as anything that occupies space (volume) and has mass (weight)?

• Atoms

• Molecules

• Matter

• Elements

There are 118 different elements known to science today. How many of these are naturally occurring on Earth?

• 116

• 98

• 50

• 76

Which of the following are the basic building blocks of all matter?

• Electrons

• Protons

• Molecules

• Atoms

__________ is the most common element found in the known universe.

• Hydrogen

• Oxygen

• Carbon dioxide

• Sodium

An example of an elemental molecule is:

• Hydrogen peroxide

• Common table salt

• Water

• The oxygen in air

As the basic unit of matter, __________ cannot be divided into simpler substances by ordinary chemical means.

• molecules

• oxygen

• atoms

• water