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The Atom

Victoria Kinkead

Significant words/phrases about the Atom

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Across
2.first 1-2 letters of the elements either english or latin name
6.a particle that is electrically neutral
7.the same number of protons but a different number of neutrons
9.Horizontal rows on the periodic table
12.the certain amount of energy an electron has
14.vertical collums on the periodic table
15.Model tha tlooks like an onion
16.the average mass of all the isotopes of an element
18.theory where a "cloud" of electrons surround the nucleus
19.positively charged particles
20.Model that the atom is like a muffin with blueberrys
Down
1.the experiment Rutherford used to see what an atom looks like
3.the smallest particle of an element
4.the sum of protons and neutrons in the nucleus of an atom
5.made the first periodic table of the elements by arranging and rearranging cards.
8.Positive charge of the atom clustered into the center
10.theory that the atom is like a pool ball
11.the number of protons in the nucleus of an atom
13.Model that looks like a peacj
17.negatively charged particles

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