Elements vs. Compounds

Elements vs. Compounds

by Jordan Yager

Multiple Choice

When atoms combine to form molecules, they have formed a __________ between them. 

• pact

• treaty

• bond

• ion

Multiple Choice

Molecules form when atoms gain or lose ________

• protons

• neutrons

• electrons

Multiple Choice

Valence electrons are transferred

• Ionic bonds

• Covalent bonds

Multiple Choice

Valence electrons are shared

• Ionic bonds

• Covalent bonds

Multiple Choice

What are the elements in group 18 (the far right) of the periodic table called?

• Alkali metals

• Alkaline earth metals

• Halogens

• Noble gases

Multiple Choice

________ molecules are found in nature as single atom elements

• polyatomic

• monatomic

• elemental

• diatomic

Multiple Choice

Which of the following can exist in monatomic form?

• Oxygen

• Copepr

• Sodium

• Argon

Multiple Choice

______ molecules are found in nature as pairs of two atoms of the same type covalently bonded together.

• Diatomic

• Monatomic

• Polyatomic

• Network

Multiple Choice

Which of the following types of elements can exist in nature as diatomic molecules?

• alkali metals

• transition metals

• halogens

• noble gases.

Multiple Choice

What is an element?

• Two or more atoms joined together.

• One of over 100 types of atoms

• Two or more different elements joined together.

• A particle with no charge found in the nucleus of an atom.

Multiple Choice

What is a molecule?

• two elements bonded together (sharing electrons)

• a mixture of different substances

• smallest individual particles

• salt mixed in water

Multiple Choice

What is a compound?

• Two different elements bonded together.

• Two of the same elements bonded together.

• A mixture of different substances.

• Two substances stuck together with glue.

Multiple Choice

This is any combination of two or more atoms from different elements that are chemically combined.

• compound

• molecule

• element

• pure substance

Multiple Choice

Any combination of two or more atoms that are chemically combined is called this.

• molecule

• compound

• element

• pure substance

Multiple Choice

This is what holds atoms in a molecule and compound together. They can be ionic, covalent, or metallic (and you'll learn about these in high school chemistry).

• chemical bond

• chemical formula

• chemical symbol

• electron cloud

Multiple Choice

This is the written out expression for a substance and contains each element in it and the number of atoms for that element.

• chemical formula

• chemical symbol

• The Periodic Table of Elements

• pure substance

Multiple Choice

This is something that contains that substance and nothing else.

• pure substance

• The Periodic Table of Elements

• chemical formula

• matter

Multiple Choice

This is a one or two letter representation of each element that is generally close to the element's name. The first letter of this will ALWAYS be capitalized.

• chemical symbol

• chemical number

• atomic number

• atomic mass