Arsenic has an oxidation number of -3. Since it is in group 15, it has five valence electrons. It wants to have eight, so it will gain three electron. Electrons are negative, that's why the oxidation number is negative.
+3 is most common
-3, +4 and +5 are also known
+3 Because the oxygen have the oxidation number of -2
Let the oxidation number of arsenic be x
As4O6=0 (it is neutral)
4x + 6(-2)=0
4x =12
x= +3
The oxidation states of arsenic are +3, -3, +5.
+5 for arsenic
+3 is common for arsenic; followed by +5
2
+3
5+
0=3*1+x+4*(-2) or x= +5 .
+3 for gold -3 for arsenic
+5
Oxygen pretty much always has an oxidation number of -2 (there are few exceptions.) A better question is "What is arsenic's oxidation number in this ion?" It would be +5.
oxidation number of I is -1. oxidation number of F is +1.
Zn has oxidation number +2; S has oxidation number -2
+3 for gold -3 for arsenic
Arsenic is in group 15, it can lose 5 valence electrons or gain 3 valence electrons to achieve the octet. Its minimum oxidation state we can predict as being -3, and its maximum as +5
+5
H3AsO3 is the formula. The name of the compound is Arsenious acid.
Oxygen pretty much always has an oxidation number of -2 (there are few exceptions.) A better question is "What is arsenic's oxidation number in this ion?" It would be +5.
The most common oxidation states for arsenic are -3 arsenides, such as alloy-like intermetallic compounds, plus 3 in arsenates.
arsenic is semi-metallic and it usually white but can turn from gray to black
pretty much that is correct. although lead (Pb) is and example of of a +2 or +4 element and Arsenic (As) is a +3 or +5 element
oxidation number of I is -1. oxidation number of F is +1.
Hydrogen's oxidation number is +1.Chlorin's oxidation number is +1.Oxygen's oxidation number is -2.
H3AsO3 or even As(OH)3
Arsenic is a non metal element. Atomic number of it is 33.