Vocabulary
States of Matter
Molecules
Atoms and Vocabulary
100

The smallest part of an element. Made up of electrons,protons, and neutrons.

What is a atom?

100

What state occurs when a liquid turns into a solid?

Freezing.

100

What is in a water molecule?

2 Hydrogen, 1 Oxygen.

100

A state of matter with definite volume and a definite shape.

What is solid?

200

Anything that has mass or volume.

What is mass?

200

How does adding thermal energy effect a gas?

The particles increase in speed.

200

What is in a molecule of carbon dioxide?

2 Carbon, 2 Oxygen.

200

Neutrons,Protons, and electrons.

What are the three main particles of an atom?

300

The simplest unit of a chemical compound that can exist, formed when two or more atoms join chemically.

What is molecule?

300

What happens to particle motion when it is cooled?

Molecules slow down.

300

What is in a molecule of Methane?

One Carbon and 4 Hydrogen.

300

A single substance either a element or compound, with definite composition and properties.

What is a pure substance?

400

A solid material whose atoms, molecules, or ions are arranged in an ordered pattern.

What is crystal?

400

What happens to the particles of a substance when it melts?

Kinetic energy increases, turning it into a liquid or gas.

400

What is in a molecule of Hydrogen Peroxide?

2 Hydrogen, 2 Oxygen.

400

The part of a atom with a - charge

What is a electron?

500

A number written below and to the right of a chemical symbol that shows a specific type of atom present.

What is subscript?

500

What happens to the volume of gas when it is cooled?

It decreases in mass.

500

Name the number and types of atoms in Table Salt.

1 Sodium, 1 Chlorine.

500

Whats the difference between an atom and a molecule?

Molecules are formed by atoms. However, atoms are much smaller than molecules as atoms are the smallest form of matter.