Open Sci Ed 7.1

Front

What do atoms of different elements form when they join together?

Back

Compounds.

Front

If two objects have the same volume but different masses, which object is more dense?

Back

The object with more mass.

Front

What do the blue numbers in a chemical formula represent?

Back

Subscripts.

Front

What is the process called when a liquid turns into a solid?

Back

Freezing.

Front

What is formed when carbon and oxygen atoms join together?

Back

Compound.

Front

What is the term for a substance made of two or more elements chemically bonded together?

Back

Compound.

Front

What is density?

Back

Density is the mass of an object divided by its volume.

Front

What happens to water at 0 degrees Celsius?

Back

It freezes and turns into ice.

Front

What is a mixture?

Back

A combination of two or more substances that are not chemically bonded.

Front

What is the difference between an element and a compound?

Back

An element is a pure substance made of one type of atom, while a compound is made of two or more different types of atoms chemically bonded.