Chemistry EOC Review

Front

Which state of matter has definite volume but not definite shape?

Back

Liquid

Front

Which subatomic particle has a charge of +1?

Back

Proton

Front

What does the number 6 represent in the notation of an element (e.g., 6C)?

Back

Atomic Number

Front

What are the two subatomic particles found in the nucleus of an atom?

Back

Protons and Neutrons

Front

What is the noble gas configuration for Sulfur?

Back

[Ne] 3s² 3p⁴

Front

What is the definition of an element?

Back

A substance that cannot be broken down into simpler substances by chemical means.

Front

What is the definition of a compound?

Back

A substance formed when two or more elements chemically bond together.

Front

What is the difference between an atom and a molecule?

Back

An atom is the smallest unit of an element, while a molecule is a group of two or more atoms bonded together.

Front

What is the law of conservation of mass?

Back

Mass is neither created nor destroyed in a chemical reaction.

Front

What is the pH scale used for?

Back

To measure the acidity or basicity of a solution.