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etters in each word and the intersecting letters of th
rrect answers.
Down:
1. An atom is made out of a sphere of
positive charges with negatively charged
electrons embedded in it.
2 Subatomic particle with a neutral charge
3. A tangible model.
4. Matter is made of small indivisible
atoms.
5. Most of the mass is concentrated in the
center of atom. This tiny, dense, positively
charged core called a nucleus.
6. Positively charged particles
7. Negatively charge pariticles​