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CHEMISTRY 1100 EXAM 2 QUESTIONS WITH CORRECT ANSWERS
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CHEMISTRY 1100 EXAM 2 QUESTIONS WITH CORRECT ANSWERS
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CHEMISTRY 1100 EXAM 2 QUESTIONSWITH CORRECT ANSWERS
ionic compound - ANSWER- - Contrain a metal and one or more nonmetals
- A compound that consists of positive and negative ions
ionic formula - ANSWER- smallest whole-number ratio of atoms present
soluble ionic compounds dissociate in water to form _______ - ANSWER- electrolyte
solutions
electrons are shared - ANSWER- covalent bonds
molecular formula - ANSWER- subscripts represent the actual numbers of each ind of
atom in the molecule
polyatomic ions - ANSWER- ionic compounds containing anions with more than one
atom
cations - ANSWER- metals and NH4+
anions - ANSWER- nonmetals and polyatomic anions
valence electrons - ANSWER- most important in chemical bonding
Ionic valence - ANSWER- electrons are transferred
covalent valence - ANSWER- electrons are shared
octet rule - ANSWER- States that atoms lose, gain or share electrons in order to acquire
a full set of eight valence electrons
lone pair electrons - ANSWER- electrons on a single atom
VSEPR theory - ANSWER- predicts molecule shapes from Lewis structures
dipole - ANSWER- created by equal but opposite charges that are separated by a short
distance
95% of all known compounds have_____ - ANSWER- carbon
carbon - ANSWER- - smallest member and only nonmetal of group 4A
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