Properties of Matter: Physical vs Chemical and Elements

Front

What is the chemical symbol for Carbon?

Back

C

Front

What is the chemical symbol for Beryllium?

Back

Be

Front

What type of change is cracking an egg?

Back

Physical Change

Front

What is the chemical symbol for Magnesium?

Back

Mg

Front

What is the chemical symbol for Nitrogen?

Back

N

Front

Define a physical change.

Back

A physical change is a change that affects one or more physical properties of a substance without altering its chemical composition.

Front

Define a chemical change.

Back

A chemical change is a change that results in the formation of new chemical substances.

Front

What is an element?

Back

An element is a pure substance that cannot be broken down into simpler substances by chemical means.

Front

What is the atomic number of an element?

Back

The atomic number is the number of protons in the nucleus of an atom, which determines the element's identity.

Front

What is the atomic mass of an element?

Back

The atomic mass is the weighted average mass of an element's isotopes, measured in atomic mass units (amu).