Kaitlin Ulker
Terms
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- Ionic Bond
- when Metals and Non Metals gain or lose electrons
- Covalent Bond
- bond between where valence electrons are shared
- METALS gain or lose electrons?
- lose (+)
- NON METALS gain or lose electrons?
- gain (-)
- Polar Covalent Bond
- greater electronegativity difference between two molecules, ions, atoms
- Non Polar Covalent Bond
- very little or no EN difference between two atoms, molecule/ions
- Atomic Radius Trend:
- decreases across the period (table) and increases going down a group
- Ionization Energy Trend
- increases going across, and decrease going down a group
- Electronegativity Trend
- increases going across a period and increases going up a group
- Electronpositivity
- RIGHT to LEFT it increases and down a group it increases
- Octet Rule
- only accommodate 8 electrons on outer shell
- Expanded Octet Rule
- if a non metals is in the third period or greater, it can hold as many as 12 electrons if it is the central atom
- Resonance Structure
- possible structures of a molecules for which more tan one electron dot structure can be written