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stiv31 [10]
2 years ago
13

How many atoms of carbon are there

Chemistry
1 answer:
AVprozaik [17]2 years ago
5 0
Hello there!


There are 3 atoms of carbon.

I hope this helps!
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How many moles at of a gas will occupy 2.5 L at STP?
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Standard temperature = 273K

2.50 LTemperature

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What is the formula for the aqueous salt produced when hydroiodic acid is neutralized by potassium hydroxide?
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Research Hypatia's achievements in the world
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See explanation

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What does kinetic molecular theory mean
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What are the oxidation numbers of the elements in the nitrite ion
zepelin [54]

Answer : The oxidation number of nitrogen and oxygen in nitrite ion is, (+3) and (-2) respectively.

Explanation :

Oxidation number : It represent the number of electrons lost or gained by the atoms of an element in a compound.

Oxidation numbers are generally written with the sign (+) and (-) first and then the magnitude.

When the atoms are present in their elemental state then the oxidation number will be zero.

Rules for Oxidation Numbers :

The oxidation number of a free element is always zero.

The oxidation number of a monatomic ion equals the charge of the ion.

The oxidation number of  Hydrogen (H)  is +1, but it is -1 in when combined with less electronegative elements.

The oxidation number of  oxygen (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 zero.

The sum of the oxidation numbers in a polyatomic ion is equal to the charge of the ion.

The given molecule is, NO_2^-

Let the oxidation state of 'N' be, 'x'

x+2(-2)=-1\\\\x-4=-1\\\\x=-1+4\\\\x=+3

Therefore, the oxidation number of nitrogen and oxygen in nitrite ion is, (+3) and (-2) respectively.

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3 years ago
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