chemistry review

Front

What is a mixture?

Back

A combination of 2 or more substances that can be easily separated.

Front

How can iron fillings be separated from a mixture of iron and sulfur?

Back

By using magnetic attraction.

Front

What happens to an atom when it loses an electron?

Back

It becomes positively charged.

Front

What is the term for the little number after an element in a chemical equation?

Back

Subscript.

Front

What are the positive particles of an atom called?

Back

Protons.

Front

What is a solution?

Back

A homogeneous mixture where one substance is dissolved in another.

Front

What is the charge of an electron?

Back

Negative charge.

Front

What is the nucleus of an atom?

Back

The central part of an atom, containing protons and neutrons.

Front

What is the difference between a solute and a solvent?

Back

A solute is the substance that is dissolved, while a solvent is the substance that does the dissolving.

Front

What is an atom?

Back

The smallest unit of a chemical element, consisting of protons, neutrons, and electrons.