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chemistry final

kara and rachel

chemistry review

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Across
1.atoms or groups of atoms with a charge (positive or negitive)
5.positively charged
6.negatively charged
7.in the modern model of the atom, each energy level is divided into smaller
10.as temperature goes up then pressure goes up
14.AgNo3 + MgCl2 -> AgCl +Mg(No3)2
15.K2Co3 -> K2o + Co2
16.in _____, electrons move in definite "orbits" round the nucleus
17.discovered at constant pressure gas,volume, temperature are directly proportional
18.2N2 + 3H2 -> 2NH3
21.Fe3o4 +H2 -> Fe + H20
23.what do you have to have to make an atom happy
24.pv=nRT
25.p1v1=p2v2
Down
2.Al + Cl2 -> Al2Cl3
3.two or more nonmetals that share an electron
4.what is the peanut or dumbell shaped sublevel
8.a way to indicate the number of valence electrons around an atom
9.C2H6 + O2 -> Co2 + H20
11.particles that smaller than the atom
12.298K
13.what is outside the nucleus
19.523K
20.0.0821
22.a metal that transfers one or more electrons to a nonmetal

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