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Chemical Bonding 8th

study for 8thgrade science test on Chemical Bonding

QuestionAnswer
Neutron sub-atomic particle with no charge
Electron the negatively charged particles found in all atoms
Proton the positively charged particles
Chemical Bond a force of attraction that hold 2 atoms together
Chemical BondING the joinING of atoms to form new substances
Ionic Bond Bond where electrons are transferred
Covalent Bond Chemical bond that involves the sharing of electons
Metallic Bond Electrons free to move throughout metallic nuclei
Periodic Table, describe how it's organized Metals on the Left side, Nonmetals on the RIGHT
How can the # of valence electrons be found? Using the family (or group) number
Valence Electrons an electron of an atom, located in the outermost shell (valence shell) of the atom, that can be transferred to or shared with another atom.
What are some characteristics of Ionic Bonds? metal and nonmetal, Ions form a neutral compound, Crystal lattice structure, hard brittle solids-high melting points, btwn. oppositely charged ions
What are some characteristics of Covalent Bonds? Nonmetals ONLY, sharing of e- , LOW melting point and LOW boiling point, Illustrated using e-dot diagrams,
Created by: gsembler