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Ions and Ionic Bonding

Kendon Smith

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Across
1.Types of charges that attract
8.Common ion with a -3 charge
11.Ending on most positive ions
12.Electrons are not found here
14.Hydrogen carbonate
17.Needed only when adding numbers to certain groups
18.Metals in group IA
20.One atom
22.Small numbers, slightly lower
24.Atoms take on the configuration of a noble gas (2 wds)
25.When positive equals negative
26.Bohr says electrons do this
28.Charge when protons are outnumbered
30.Proton's charge
34.Another name for groups
35.Formula units show the lowest of this
36.Ending for fewer oxygens than ate
37.Highest level
39.What electrons do when they absorb energy
42.Not such a positive ion
43.Shape of a "p"
44.Charged particle
46.Given off when electrons return to the ground state
47.Bonds formed between cations and anions
Down
2.Force responsible for "opposites attract"
3.High energy electron state
4.When electrons are in the lowest levels
5.Gases with a full outer shell
6.Ammonium or chromate ions, for example
7.Used with symbols to show only valence electrons
9.General name for a group VII ion
10.Atomic size does this as you move across a period
13.Process of gaining or losing electrons
15.Group of metals often having two charges
16.Sodium chloride, for example
19.Most anions can be classified this way
21.Compounds composed of only two elements
23.Forms when chlorine gains an electron
27.Most anions that lack oxygen end in this
29.One more oxygen than sulfite
31.Oxygen ion
32.Neutral sodium has this many electrons
33.Fluorine, for example
35.Type of numeral used for distinguishing charge
38.Formed by electron loss
40.Atomic size measuring distances
41.A full octet is this many
45.Suffix for ions with the "lower" charge

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