Atoms, Elements and Compounds

What is an atom?

• An atom is a type of molecule.
• An atom is a large particle made of protons and neutrons.
• An atom is a form of energy that can be harnessed.
• An atom is the smallest unit of matter that retains the properties of an element.

What is an element?

• An element is a mixture of different substances.
• An element is a type of chemical reaction.
• An element is a form of energy that can be harnessed.
• An element is a basic building block of matter, represented by a unique symbol on the periodic table.

What is a molecule?

• A molecule is a form of energy that can be harnessed.

• A molecule is a single atom.

• A molecule is a group of atoms bonded together, representing the smallest fundamental unit of a chemical compound.

• A molecule is a type of chemical reaction.

What is a compound?

• A compound is a substance formed when two or more chemical elements are chemically bonded together.

• A compound is a type of element found on the periodic table.

• A compound is a mixture of different elements that are not chemically bonded.

• A compound is a form of energy that can be harnessed.

The chemical symbol for gold is __

What is the chemical symbol for carbon monoxide?

• C2O
• CO2
• CM
• CO

What is the chemical symbol for water?

• O2H

• HO2

• H2O

• H2

What is the chemical symbol for sodium chloride?

• NaCl

• SCl

• NaC

• ClNa

What is the chemical symbol for oxygen?

• O

• O3

• O2

• Ox

What is the chemical symbol for potassium?

• Po

• P

• K

• Pt