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Marina CMI [18]
3 years ago
10

What is covalent bond

Chemistry
2 answers:
Annette [7]3 years ago
8 0

Answer:

Covalent bonds are formed by sharing of electrons between non metals.

A polar covalent bond is defined as the bond which is formed when there is a difference of electronegativities between the atoms. It is also defined as the bond which is formed due to the unequal sharing of electrons between the atoms.  example: HBr

Non-polar covalent bond is defined as the bond which is formed when there is no difference of electronegativities between the atoms. It is also defined as the bond which is formed due to the equal sharing of electrons between the atoms.  Example: F_2

Ionic bonds are formed by transfer of electrons between metal and non metals.  Example: NaCl

katen-ka-za [31]3 years ago
7 0
Covalent bonding is when electrons are shared between atoms. 

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Answer:

26.2 atm

Explanation:

P1=P2V2/V1

P1=(1.05 x .980)/.0393

Answer: 26.2 atm

You can check this by knowing that P and V at constant T have an inverse relationship. Hence, this is correct.

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What is the hybridization of each carbon and oxygen atoms in vitamin C​
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Question: <em>What is the hybridization of each carbon and oxygen atoms in vitamin C​?</em>

Answer:

1. To decide the hybridization of a carbon, look at how many atoms are attached to it (including the hydrogens that may be unwritten). If there are 4 total atoms attached (all with single bonds), the carbon must have sp3 orbitals (there are 4 of them). If 3, then sp2. If 2, then sp. Carbon can't be sp3d or sp3d2 hybridized because carbon is in the 2nd period of the periodic table and doesn't possess any d orbitals to hybridize.

2. Not sure what this question means. Did you mean to type just C-C bonds? If so, just count the number of bonds between 2 carbon atoms!

3. Use VSEPR. The bond angle is as great as possible, based on the repulsion of the valence electron pairs (both bonded and lone). This is also related to hybridization. sp3 hybrid orbitals are 109.5 degress apart, sp2 is 120, sp is 180.

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enyata [817]

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