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Chemistry ch.7

TermDefinition
Valence electrons The electrons in the highest energy level
Electron Dot Structure Diagram that shows valence electrons as dots
Octet Rule The forming of compounds
Metallic atoms tend to lose their valence electrons to produce a ___, or a positively charged ion. Most nonmetallic atoms achieve a complete octet tule by ___ or ___ electrons negatively, gaining, losing
Electron Configuration formula 1s2 2s2 2p6 3s2 3p6 4s2 3d10......
What property of nonmetallic elements make them more likely to gain electrons that lose electrons Because they have relatively full valence shells
How do you know how many electrons it would take to become a ion (noble gas) By how many rows that element needs to cross to get to that noble gas
Group Number Indicates how many valence electrons hat element has.
For transition metals the ___ of cations may vary charge
Halide Ions Produced when atoms of the elements in group 7A gain an electron
Chloride Ion Has the electron configuration of argon
Describe the formation of an ion from a metal and a nonmental in terms of the octet rule Nonmetals attain a stable noble gas configuration by gaining electrons while metals need to lose metals, forming cations.
Ionic Compounds compounds composed of cations and anions
Ionic Bonds The electrostatic forces of the attraction binding oppositely charged ions together
Chemical formula Show the kinds and numbers of atoms in the smallest representative unit of a substance
Formula Unit Lowest whole-number ratio of ions in an ionic compound
Ductile can be drawn into wires
Metallic bonds the attraction of valence electrons for positive metal ions
alloy a mixture of two or more elements, at least one of which is a metal
malleable can be hammered or forced into shapes
interstitial alloy an alloy whose component atoms are different sizes
Physical properties of metal solid metals consist of closely packed cations
Created by: mcreer6
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