Answer:
The oxidation number of a free element is alwa The oxidation number of a monatomic ion equals the chahe oxidation number of
H
is +1, but it is -1 in when combined with less electronegative elements.
The oxidation number of
O
in compounds is usually -2, but it is -1 in peroxides.
The oxidation number of a Group 1 element in a compound is +1.
The oxidation number of a Group 2 element in a compound is +2.
The oxidation number of a Group 17 element in a binary compound is -1.
The sum of the oxidation numbers of all of the atoms in a neutral compound is 0.
The sum of the oxidation numbers in a polyatomic ion is equal to the charge of the ion
Explanation:
Nonmetals are to the right of the line on the periodic table
1 - Water is broken down into oxygen and hydrogen.
2 - Glucose is broken down to be used by plants.
3 - Hydrogen combines with carbon dioxide to form glucose.
4 - Hydrogen enters the plant as part of water.
Which lists the correct order of the steps?
4, 2, 1, 3
4, 1, 3, 2
4, 3, 1, 2
4, 2, 3, 1
Answer;
4, 1, 3, 2
Sorry I meant nitrogen cycle