Science 7

across
4. Atomic model where electrons don't move around the nucleus in orbits, electrons exist in specific energy
levels as a cloud.
8. Electrons reside in orbits. they move between each shell when gaining or losing energy.
9. negatively charged particles.
10. Building blocks of matter that cannot be broken appart using any chemical means.
down:
1. An atoms made out of a sphere of possitive charges with negativly charged electron ambedead in it.
2. Subtomotic Particles with a neutral charge.
3. A tangible model.
5.most of the mass is concentrated in the center of the atom. This tiny, denses, positively charged core
Called nucleus.
6. Positively charged particles.
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