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Intro to chemistry
Unit Two
15
Chemistry
Not Applicable
05/20/2018

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Cards

Term
Octet Rule
Definition
Atoms of elements gain, lose, or share electrons in such a way as to obtain a full valence shell for each of the atoms included
Term
Valence electrons
Definition
The most outer electron or the highest in value
Term
Ion
Definition
An atom (or group) that are electrically charged as a result of the loss or gain of electrons
Term
Cation
Definition
Ion with a positive charge
Term
Anion
Definition
Ion with a negative charge
Term
Ionization Energy
Definition
Energy required to remove one electron
Term
Electron affinity
Definition
Energy released upon adding and electron
Term
Isoelectronic
Definition
Two atoms with the same electron configuration
Term
Fixed metals
Definition
  • Group 1A (+1)
  • Group 2A (+2)
  • Al (+3)
  • Ga (+3)
  • Zn (+2)
  • Cd (+2)
  • Ag (+1)
Term
Ionic bonds
Definition
  • Forms electrons
  • Between metals and non metals
  • When they from they are called compounds
  • Attraction between opposite charges
  • Good conductors when dissolved in water
  • Most compounds are solid at room temperature 
Term
Covalent compounds
Definition
  • They share electrons
  • Non metal with non metal
  • Attractive force is with protons and electrons 
  • Attracts between molecules
  • Non conductors
  • Solid, liquid, gas at room temperature 
Term
Binary Ionic Compound
Definition
Ionic compound with one metal and one non metal element combined in smallest whole number ratio to form neutral compounds
Term
Resonance
Definition
A theory that many molecules and ions are best described as a hybrid of two or more Lewis contributing structures
Term
Polarity
Definition
"Like dissolves like" = similar polarities
Term
The Law of Conservation of Matter
Definition
Matter is matter created or destroyed in any physical or chemical change
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