Group 7A -1 HČi Group 6A -2 PbS2 A. Use the rules (in order) to assign oxidation numbers to each of the elements in the compounds below. iodic acid H HIO, chlorite ion CI CIO2 hydroxylamine H NH,OH B. Determine the oxidation state for each of the elements below. carbonate ion The oxidation state of carbon in is co,2- calcium nitride The oxidation state of nitrogen in CazN2 is tetrahydroxozincate ion is Zn(OH),- The oxidation state of zinc in С. Use the rules (in order) to assign oxidation numbers to each of the elements in the compound arsenic acid As H3ASO4 phosphorous tribromide P Br PBR3 phosphoryl trichloride CI POCI3

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Question 10
Assigning Oxidation Numbers
Use these rules in order.
The sum of all oxidation numbers of all elements = charge on substance.
Oxidation Number:
Examples:
1. Atoms in their elemental state
Fe, H2, O2
2. Monatomic ions
- charge
F.Fe
IN COMPOUNDS
3. Group 1A
4. Group 2A
5. Fluorine
+1
NaCl, KNO3
+2
MgO
-1
HF, CIF
6. Hydrogen
7. Oxygen
8. Group 7A
+1
H20
-2
So, HCIO4
-1
HCI
9. Group 6A
-2
PbS,
A. Use the rules (in order) to assign oxidation numbers to cach of the elements in the compounds below.
iodic acid
H
HIO,
chlorite ion
CI
CIO2
hydroxylamine
H
N
NH,OH
B. Determine the oxidation state for each of the elements below.
carbonate ion
The oxidation state of
carbon
in
is
co,2
calcium nitride
The oxidation state of
nitrogen
in
CazN2
is
tetrahydroxozincate ion
is
Zn(OH),
The oxidation state of
zinc
in
С.
Use the rules (in order) to assign oxidation numbers to each of the elements in the compounds below.
arsenic acid
H
As
H3ASO4
phosphorous tribromide
P
Br
PBR3
phosphoryl trichloride
POCI3
O P CI
Transcribed Image Text:Question 10 Assigning Oxidation Numbers Use these rules in order. The sum of all oxidation numbers of all elements = charge on substance. Oxidation Number: Examples: 1. Atoms in their elemental state Fe, H2, O2 2. Monatomic ions - charge F.Fe IN COMPOUNDS 3. Group 1A 4. Group 2A 5. Fluorine +1 NaCl, KNO3 +2 MgO -1 HF, CIF 6. Hydrogen 7. Oxygen 8. Group 7A +1 H20 -2 So, HCIO4 -1 HCI 9. Group 6A -2 PbS, A. Use the rules (in order) to assign oxidation numbers to cach of the elements in the compounds below. iodic acid H HIO, chlorite ion CI CIO2 hydroxylamine H N NH,OH B. Determine the oxidation state for each of the elements below. carbonate ion The oxidation state of carbon in is co,2 calcium nitride The oxidation state of nitrogen in CazN2 is tetrahydroxozincate ion is Zn(OH), The oxidation state of zinc in С. Use the rules (in order) to assign oxidation numbers to each of the elements in the compounds below. arsenic acid H As H3ASO4 phosphorous tribromide P Br PBR3 phosphoryl trichloride POCI3 O P CI
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