Elements and Compounds

Multiple Choice

Which of the following is the simplest form of substance?

• solution

• compound

• element

• mixture

Multiple Choice

Which of the following statements describes an element?

• It contains only one kind of atom.

• It can be decomposed by ordinary chemical means.

• It is composed of atoms of two or more elements that bond together.

• It has unique properties that are different from the properties of its individual elements.

Multiple Choice

Which of the following statements describes a compound?

• It contains only one kind of atom.

• It can be separated by physical means.

• It cannot be decomposed into simpler types of substances.

• It consists of atoms of two or more different elements bond together.

Multiple Choice

Compounds are two or more elements that are chemically bonded together.

• True
• False

Multiple Choice

Which of the following is a chemical compound?

• Co
•  CO₂
• Mg
• Al

Multiple Choice

A compound is represented by a:

• Heart
• Atomic Mass
• Atomic Number
• Formula

Multiple Choice

What elements made up the compound Carbon dioxide?

• Carbon and Oxide

• Carbon and Oxygen

• Carbon and Hydrogen

• Carbon and Carbon

Multiple Choice

The reason that Noble Gases do not react is because

• Their outer electron shell is filled

• Their inner electron shell is filled

• They are able to bond to fill their outer shell

• None of the above, Noble Gases are highly reactive

Multiple Choice

Another term for being chemically inactive is...

• Inert
• Inbert
• Insert
• Inmert