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chapter 5 covalent

QuestionAnswer
what is covalent bonding? it is the sharing of electrons between two different nuclei to form a molecule ( between two nonmetals
what is a bonding electron? pairs of valence electrons that are shared between atoms
what is a lone pair aka non bonding electron? they are pairs of valence electron on an atom that are invoved in electron sharing
what is a single covalent bond? a bond in which two atoms share 1 pair of electrons
what is a double covalent bond? a bond in which 2 atoms share 2 pairs of electrons
what is triple covalent bond? a bond in which 2 atoms share 3 pairs of electrons
what is electronegativity? it is the measure of an atoms attraction for electrons that it shares with another atom in a chemical bond
How can one tell if an atom has a high or a low electronegativity by looking at the periodic table? As one goes up and to the right of the periodic table the electronegativity increases
what else can electronegativity determine? it can determine the degree of sharing between bonded atoms
what is bond polarity? the measure of the degree in equality in sharing of electrons between two atoms in a chemical bond
what is a nonpolar molecul? the symmetrical distribution of electron charge
what is the polar molecule? a molecule in which there is an unsymmetrical distribution of electron charge.
how can atomic size be determine by looking at the periodic table? it increases as one goes down and to the left of the periodic table.
what is repulsion? describes the distance between bonding and nonbonding pairs of electrons
what is molecular geometry? 3 dimensional arrangement of atoms within a molecule
what is vsepr? it is the set procedure for predicting a 3 dimensional geometry of a molecule.
what is the angle of a tetrahedral? 109.5
what is the angle of a linear? 180
what is the angle of trigonal? 120
Created by: 100000587500479
 

 



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