Atomic Structure

Front

What is material that has mass and takes up space?

Back

Matter is anything that has mass and occupies space.

Front

What is the center of an atom called?

Back

The nucleus is the center of an atom, containing protons and neutrons.

Front

How do you calculate the mass number of an atom?

Back

The mass number is the sum of protons and neutrons in the nucleus.

Front

What is a compound?

Back

A compound is a substance formed when two or more elements chemically bond together.

Front

What determines the identity of an element?

Back

The number of protons in an atom determines what element it is.

Front

What are neutrons?

Back

Neutrons are subatomic particles found in the nucleus of an atom, with no electric charge.

Front

What are protons?

Back

Protons are positively charged subatomic particles located in the nucleus of an atom.

Front

What is an electron?

Back

Electrons are negatively charged subatomic particles that orbit the nucleus of an atom.

Front

What is the atomic number?

Back

The atomic number is the number of protons in the nucleus of an atom, which defines the element.

Front

What is the difference between mass and weight?

Back

Mass is the amount of matter in an object, while weight is the force exerted by gravity on that mass.