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Chem H final s1
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Chemistry
10th
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41 Terms
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1
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Dipole
polar molecules
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bond angle of a linear
180
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bond angle of a trigonal planar
120
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bond angle of tetrahedral
109.5
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bond angle of pyramidal
107
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bond angle of bent
105
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polar
electrons shared unequally
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nonpolar
electrons shared equally (no positive or negative end)
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polar molecules are also called
dipoles
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a nonpolar molecule
a molecule that is composed of only one kind of atom
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nonpolar molecules
hydrogen( H2)
oxygen(O2)
ozone(O3)
diamond.
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determining if a molecule is polar
the shape of the molecule and the polarity of its bonds together
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octet rule
States that atoms lose, gain or share electrons in order to acquire a full set of eight valence electrons
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HONC rule
Hydrogen- 1 covalent bond formed, 0 nonbonding pairs
Oxygen- 2 covalent bond formed, 2 nonbonding pairs
Nitrogen- 3 covalent bonds formed, 1 nonbonding pairs
Carbon- 4 covalent bonds formed, 0 nonbonding pairs
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single covalent bond
2 atoms held together by sharing 2 pairs of electrons
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double covalent bond
2 atoms held together by sharing 4 pairs of electrons
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triple covalent bond
2 atoms held together by sharing 6 pairs of electrons
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bonding pair
a pair of electrons shared equally between two atoms
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nonbonding pairs (lone pairs)
confined 1 particular atom
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1
mono
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2
di
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3
tri
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4
tetra
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5
penta
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6
hexa
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7
hepta
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8
octa
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9
nona
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10
deca
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what is the molecular formula of phosphorus pentachloride?
PCI5
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formed by the complete transfer of electrons
ionic compound formed by
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very high melting and boiling points
ionic compound have _____melting and boiling points
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formed between a main electropositive metal and a nonmetal
ionic compounds formation
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polar
ionic compound polar/nonpolar?
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good conductors
ionic compound are
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formed by sharing electrons
covalent compounds formed by
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low melting and boiling points
covalent compounds have ____ melting and boiling points
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between a nonmental
covalent compounds formed between ____
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which type of elements form a covalent compounds
a shared pair of electron between two atoms
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cations
positive charge
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anion
negative charge