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If H has an oxidation number of +1 and S has an oxidation number of-2 what will be the correct chemical formula for a compound containing only those two elements?
H2S (note the numbers should be subscripts)
-1
0
-2
ionic
+1
+2
reduction
In the compound CaO if O has an oxidation number of -2 what is the oxidation number of Ca?
H2S (note the numbers should be subscripts)
-1
0
-2
ionic
+1
+2
reduction
The sum of the oxidation numbers of all atoms in a netrual compound is
H2S (note the numbers should be subscripts)
-1
0
-2
ionic
+1
+2
reduction
When an atom gains an electron what has taken place?
H2S (note the numbers should be subscripts)
-1
0
-2
ionic
+1
+2
reduction
All elements in Group 1 of the periodic table have an oxidation number of
H2S (note the numbers should be subscripts)
-1
0
-2
ionic
+1
+2
reduction
When hydrogen combines with a metal, the oxidation number of hydrogen is
H2S (note the numbers should be subscripts)
-1
0
-2
ionic
+1
+2
reduction
In a compound where elements gain or loss electrons a ____________________ bond is formed.
H2S (note the numbers should be subscripts)
-1
0
-2
ionic
+1
+2
reduction
In all compound except when combined with F or in a peroxide O has an oxidation number of
H2S (note the numbers should be subscripts)
-1
0
-2
ionic
+1
+2
reduction
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