Molecular Shapes
Covalent Naming
Line Structures
Random
Vocabulary
100
CO has what molecular shape?
Only 2 atoms always means linear
100
CO
carbon monoxide
100
Draw CH4
H
|
H - C - H
|
H
100
prefix for 9
nona
100
Define a covalent compounds
2 non-metals
200
Draw water, what's its molecular shape?
Bent as the central atom (O) has 2 lone pairs and is connected to 2 atoms
200
H2O
dihyride monoxide
200
Draw a diagram of CH2O
..O..
||
H - C - H
200
How many valence electrons does S have
6 because its in group 16
200
Why are some atoms only in compounds of paired with another atom of the same element?
Because it's not stable alone!
300
What molecular shape is this?
Tetrahedral
5 total atoms, central atom connected to 4 atoms with no lone pairs
300
C6H8
hexacarbon octahydride
300
Draw a line structure of CO2
. . . .
O = C = O
. . . .
300
The atom we look at to determine molecular shape
central atom
300
Define a covalent bond
Sharing of electrons
400
Draw a line structure of PH3 to find the molecular shape
Trigonal pyramidal
The central atom is connected to 3 atoms AND has a lone pair of electrons
400
Si7F
heptasilicon monofluoride
400
Draw a line structure of NH3
. .
H - N - H
|
H
400
How many bonds does phosphorus want to make?
3 because its in group 15
400
Number of lone pairs on the central atom in one molecule of H2S
two lone pairs
500
Draw a line structure of SF6 to help you find its molecular shape
Trigonal bipyramidal because the central atom (S) is connected to 6 atoms.
500
C5P9
pentacarbon nonaphosphide
500
Draw a line structure of CH3SH (Hint: the fourth H doesn't go on my central atom)
H
|
H - C - H
|
S - H
500
Lithium has 1 valence electron. What would this atom do to create a full octet?
Lose 1 electron to reach a noble gas electron configuration
500
I2 and H2 are example of
diatomic atoms