Properties of Elements and Compounds

Front

Why is carbon dioxide considered a compound while carbon is considered an element?

Back

made of two different elements.

Front

Most abundant element in Earth's crust? Options: Calcium, Iron, Oxygen, Potassium

Back

Oxygen

Front

What is the chemical symbol for magnesium?

Back

Mg

Front

Why are compounds different from elements?

Back

A combination of two or more elements.

Front

Chemical symbol for Iron

Back

Fe

Front

The smallest particle of any particular type of matter is known by which term? Options: Element, Chemical, Atom, Substance

Back

Atom

Front

The oceans are primarily composed of which two elements?

Back

hydrogen and oxygen

Front

What is the difference between a compound and an element?

Back

Compounds are made up of elements and can be chemically separated. Elements cannot be separated.

Front

Major components of living things on Earth (except one): nitrogen, carbon, sulfur, oxygen

Back

sulfur

Front

Lithosphere

Back

The rigid outer layer of the earth.