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Across
2. Atomic model where electrons don't move around
the nucleus in orbits. Electrons exist in specific energy
levels as a cloud
3. Matter is made of small indivisible atoms.
4. An atom is made out of a sphere of positive
charges with negatively charged electron embedded
in it.
7. A tangible model.
9. Subatomic particle with a neutral charge
10. Positively Charge Particle