Oxidation Numbers HV2O4- V6 Is the above equation oxidation or reduction Oxidation numbers are used to quickly

Jan 15, 2013

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Rules for Oxidation NumbersOxidation

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Oxidation Numbers HV2O4- V6 Is the above equation oxidation or reduction Oxidation numbers are used to quickly

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Oxidation numbers

Oxidation numbers. Oxidation numbers. Oxidation numbers are used to describe the distribution of electrons among bonded atoms. Covalent bonds involve sharing of electrons, but oxidation numbers show what the distribution would be if the electrons were completely transferred.

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Redox – Oxidation Numbers

Redox – Oxidation Numbers . Definition General Rules Calculating Oxidation Number Changes. Oxidation Numbers. When an atom loses or gains electrons we say that it has changed its oxidation number e.g. Na → Na + In this example Sodium changes from an oxidation state of zero to one plus

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Oxidation Numbers

Oxidation Numbers. What is the oxidation state of chromium in the following compound? Cr 2 O 7 2-. +2 +3 +5 +6 +7. 59. What is the oxidation state of chlorine in the following compound? Cl 2 O. 60. -2 -1 +1 +2 +3.

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Oxidation Numbers

Oxidation Numbers. Assigning Oxidation Numbers. Oxidation Number : positive or negative number assigned to an atom according to a set of rules Chemical book-keeping system to track redox reactions. Rules for Assigning Oxidation Numbers. The oxidation number of any free element is 0

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Oxidation Numbers

Oxidation Numbers. Oxidation Number . A number equal to the charge that an atom would have if no electrons were shared but instead were possessed by the atom with the greatest electronegativity. Assigning Oxidations Numbers. 1. A pure element: zero.

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Oxidation numbers

Chapter 7.2. Oxidation numbers. Objectives:. List the rules for assigning oxidation numbers Give the oxidation number for each element in the formula of a chemical compound. Name binary molecular compounds using oxidation numbers and the Stock system. Oxidation Numbers. or oxidation state.

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Oxidation Numbers:

Oxidation Numbers:. In order to recognize which reactant is oxidized and which is reduced it is important to be able to follow the movement of the electrons.

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Oxidation Numbers

Oxidation Numbers. p.232-234. Assigning Oxidation Numbers. Oxidation Number : positive or negative number assigned to an atom according to a set of rules. Rules for Assigning Oxidation Numbers. The oxidation number of any free element is 0 - Na or O 2

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Oxidation Numbers

Oxidation Numbers. Octet Rule. Each element wants to have 8 electrons in its outer energy shell. (8 valence electrons) . How do elements follow the octet Rule? . By adding or losing electrons though bonding. How many electrons does it take to make an element happy? .

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Oxidation Numbers

Name ___________________________________ Date _____________ Line _________. Mg. F. Oxidation Numbers. Elements combine with other elements depending on their oxidation numbers: IN MOST, BUT NOT ALL CASES (because there are many exceptions to the rule): Everything in…

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OXIDATION NUMBERS

OXIDATION NUMBERS. What is an oxidation number?. An oxidation number is the charge that an atom in a compound would have if the electron pairs in the bond belonged solely to the more electronegative atom. General Guidelines. The oxidation # of an atom in its pure

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5.2 Oxidation Numbers

5.2 Oxidation Numbers. What we need to learn… determine the following: the oxidation number of an atom in a chemical species the change in oxidation number an atom undergoes when it is oxidized or reduced whether an atom has been oxidized or reduced by its change in oxidation number

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Oxidation Numbers HV 2 O 4 -  V 6+ Is the above equation oxidation or reduction?

Oxidation Numbers HV 2 O 4 -  V 6+ Is the above equation oxidation or reduction? Oxidation numbers are used to quickly determine if oxidation or reduction has occurred in a redox reaction. Rules for Oxidation Numbers Oxidation # 1. All elements are zero: .

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Oxidation Numbers

Oxidation Numbers. Chapter 7, Section 2. Hill of Oxidation Numbers. Remember you can use the hill of oxidation numbers for groups 1,2,13-17. Oxidation Numbers. Ox #’s show general distribution of electrons when elements are in a compound Pure elements have an ox # of zero

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Oxidation Numbers

Oxidation Numbers. Oxidation Numbers. An oxidation number is the charge ( or the apparent charge ) of an element in a formula. +1. -1. NaCl. +1. -2. H 2 O. 0. Fe. +6. -2. SO 4 2-. Oxidation Numbers.

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Oxidation Numbers

Oxidation Numbers. The oxidation number of an atom in an element is zero. E.g. Mg in Mg, O in O 2. Oxidation Numbers. The oxidation numbers of atoms in a compound add up to zero. Oxidation state of C in CO 2 ? ? – 4 = 0 ? = +4. Put the +!. Oxidation Numbers.

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Oxidation numbers

Oxidation numbers. AIMS Revise the rules for assigning oxidation states Combining ionic equations Practice questions with oxidation states and half equations Hints and tips: what to learn for SS. Oxidation state of uncombined elements = 0

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What are oxidation numbers?

What are oxidation numbers?. An oxidation number is a positive or negative number assigned to an atom to indicate its degree of oxidation or reduction . In general, a bonded atomâ€™s oxidation number is the charge that its ion would have . Oxidation numbers change during redox reactions.

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Assigning Oxidation Numbers

Assigning Oxidation Numbers. CaI 2. CaI 2. Na 2 CO 3. Na 2 CO 3. MoO 4 2-. MoO 4 2-. Ga(ClO 3 ) 3. Ga(ClO 3 ) 3. C 2 H 3 O 2 -. C 2 H 3 O 2 -. (NH 4 ) 3 PO 4. (NH 4 ) 3 PO 4. FeSO 4. FeSO 4. Mg(NO 3 ) 2. Mg(NO 3 ) 2. Na 2 Cr 2 O 7. Na 2 Cr 2 O 7. N 2 H 4. N 2 H 4.

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Assigning Oxidation Numbers

Assigning Oxidation Numbers. CaI 2. Ca 2+ I -. Na 2 CO 3. Na + C 4+ O 2-. Mg(NO 3 ) 2. Mg 2+ N 5+ O 2-. Na 2 Cr 2 O 7. Na + Cr 6+ O 2-. FeSO 4. Fe 2+ S 6+ O 2-. MoO 3 2-. Mo 4+ O 2-. Ga(ClO 3 ) 2. Ga 2+ Cl 5+ O 2-. (NH 4 ) 3 PO 4. N 3- H + P 5+ O 2-. Fe 2 (HPO 4 ) 5.

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Oxidation numbers

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