Valence Electrons are-
The number of electrons in the outer most shell.
The Lewis dot structure of fluorine
Fluorine
Atomic symbol:F
Group: 17
Period:2
..
.F:
..
What's the rule for Hydrogen
H .
MgCl2
Magnesium and Chlorine
Atomic symbol:Mg and Cl
Group: 2 and 13
Period: 3 and 3
.. ..
: Cl .. Mg .. Cl :
.. ..
Lewis Dot Structure is-
The diagram that should the valence electrons of an atom using dots around the element.
The Lewis dot structure of carbon
Carbon
Atomic symbol: C
Group: 14
Period: 2
.
. C .
.
What's the rule for Helium
He:
CO2
Carbon and Oxygen
Atomic symbol:C and O
Group: 14 and 16
Period: 2 and 2
. . . .
: O : : C : : O :
Octet Rule is-
The atoms would either gain, lose, or share electrons to have a full outer shell of eight valence electrons.
The Lewis dot structure of Phosphorus
Phosphorus
Atomic symbol: P
Group: 15
Period: 3
.
. P :
.
What's the rule for Boron
.
. B .
N2
Nitrogen
Atomic symbol:N
Group: 15
Period: 2
. .
: N. . N :
. .
Bonding Pair
A pair of electrons shared between two atoms to form a covalent bond.
The Lewis dot structure of xenon
Xenon
Atomic symbol: Xe
Group: 18
Period: 5
..
:Xe:
..
When bonding Nitrogen with other elements what's the correct way to draw to covalent bonds.
_ |
N_ N_
_ |
CaF2
Calcium and Fluorine
Atomic symbol:Ca and F
Group: 2 and 17
Period: 4 and 2
. . . .
: F : Ca : F :
. . . .
Lone Pair
A pair of valence electrons that are not involved bonding and remain on an atom.
The Lewis dot structure of calcium
Calcium
Atomic symbol: Ca
Group: 2
Period: 4
.
Ca .
What's the order of how the dots should be placed?
1 5
4 X 2
8 6
3 7
CH4
Carbon and Hydrogen
Atomic symbol:C and H
Group: 1 and 14
Period: 1 and 2
H
:
H: C :H
:
H