Matter Atoms
Protons
Neutrons
Electrons
Nucleus
Atomic Number
Atomic Mass
- Anything that has mass and takes up space (volume)
- Positively charged particles
Neutral particles; have no electric charge
.
Smallest possible unit into which matter can be divide
while still maintaining its properties
The center of an atom
The number of protons in the nucleus of an atom
: Found Outside the nucleus
Number of protons and Neutrons in the nucleus

Matter - Anything that has mass and takes up space (volume).

Atoms - Smallest possible unit into which matter can be divided, while still maintaining its properties.

Protons - Positively charged particles.

Neutrons - Neutral particles; have no electric charge.

Electrons - Found Outside the nucleus.

Atomic Number - The number of protons in the nucleus of an atom.

Atomic Mass - Number of protons and Neutrons in the nucleus.

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