Matter, Elements and Atoms

Front

What is matter?

Back

Matter is anything that has mass and takes up space. It includes solids, liquids, gases, and plasma.

Front

Which of the following is NOT an example of matter?

Back

Sunlight is not matter because it does not have mass or take up space.

Front

What is cohesion?

Back

Cohesion is the molecular force between particles within a substance that acts to unite them.

Front

What is an electron?

Back

An electron is a subatomic particle with a negative charge.

Front

What state of matter is found in stars, lightning, and the aurora borealis?

Back

Plasma is the state of matter found in stars, lightning, and the aurora borealis.

Front

What are valence electrons?

Back

Valence electrons are electrons located on the last shell or energy level of an atom.

Front

What is an atom?

Back

An atom is the basic unit of matter, consisting of protons, neutrons, and electrons.

Front

What is a proton?

Back

A proton is a subatomic particle found in the nucleus of an atom, with a positive charge.

Front

What is a neutron?

Back

A neutron is a subatomic particle found in the nucleus of an atom, with no charge.

Front

What is the nucleus of an atom?

Back

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