ECH 140 : 14-Bessel+Functions-modified.pdf
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A)What is the oxidation state of sulfur before and after the reaction below?
SO32-(aq) + MnO4-(aq) â SO42-(aq) + Mn2+(aq)
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B) What is the oxidation state of copper before and after the reaction below?
2NO3-(aq) + 8H+(aq) + 3Cu(s) â 3Cu2+(aq) + 2NO(g) + 4H2O(l)
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C)What is the oxidation state of nitrogen before and after the reaction below?
2NO3-(aq) + 8H+(aq) + 3Cu(s) â 3Cu2+(aq) + 2NO(g) + 4H2O(l)
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Please help question 1-6 please, Thank you!
1. The valence electrons are located in the ____________ orbitals of an atom.
2. Positive ions are formed by the ____ of electrons, while negative ions are formed by the ____ of electrons.
3.
Identify the charge of the metal ion in each of the following
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4. Electrons are shared in covalent compounds so that each atom has ____ electrons which satisfies the _____ rule.
5. The names of covalent compounds use _____ to state the nuber of atoms which is dervived from the _____ names. For example, 2 atoms would be identified as _____
6.
Polyatomic ions are ions that contain more than one ____________ in its formula.
A. | atom | |
B. | molecule | |
C. | electron | |
D. | ion |