Flashcard on Atomic Structure

Front

What is a mixture?

Back

A mixture contains more than one substance.

Front

What is an example of a homogenous mixture?

Back

Air.

Front

What does the Law of Conservation of Matter state?

Back

The number of each type of atom is the same in the products and reactants.

Front

What is the mass of a fluorine (F) atom?

Back

19 amu.

Front

If an atom has five protons and four electrons, what is its charge?

Back

Positively charged.

Front

What is an atom?

Back

The basic unit of a chemical element.

Front

What are protons?

Back

Positively charged particles found in the nucleus of an atom.

Front

What are neutrons?

Back

Neutral particles found in the nucleus of an atom.

Front

What are electrons?

Back

Negatively charged particles that orbit the nucleus of an atom.

Front

What is a chemical reaction?

Back

A process that leads to the transformation of one set of chemical substances to another.