Properties of Matter
Flashcards
1. A group of atoms with the same number of protons
a. Element
2. When two or more elements combine
a. Compound
3. When two or more compounds combine they form
a. Mixtures
4. The two types of mixtures are
a. Homogeneous and heterogeneous
5. The prefix “homo” means
a. Same
6. The prefix “hetero” means
a. Different
7. The compounds in homogeneous mixtures are
a. Evenly distributed
8. Solids have a definite
a. Shape and volume
9. If atoms are packed tightly together and vibrating in
place, the substance is a
a. Solid
10.
Liquids have a definite volume, but take on the
shape of the
a. Container
11.
If atoms are close together, but slowly moving
past each other, the substance is a
a. Liquid
12.
What substance has no definite shape or
volume?
a. Gases
13.
If atoms are far apart, and bouncing around
rapidly, the substance is a
a. Gas
14.
Atoms are made of
a. Protons, neutrons, and electrons
15.
Positive charged particles in the nucleus
a. Protons
16.
Particles with no charge in the nucleus
a. Neutrons
17.
Negatively charged particles outside the
nucleus
a. Electrons
18.
Protons and neutrons make up the
a. Nucleus
19.
The three main states of matter are
a. Solids, liquids, and gases
20.
Elements are organized according to their
atomic number on the
a. Periodic table