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3 years ago

What kind of bond holds together atoms within a molecule?

Chemistry

2 answers:

gtnhenbr [62]3 years ago

7 0

Chemical bonds like Ionic bond, covalent bond & dative bond holds them together within a molecule!

nignag [31]3 years ago

7 0

Answer is: chemical bond (two main type: covalent and ionic bond).

Covalent bond is a chemical bond where atoms share of electron pairs.

Ionic bond forms when a cation transfers its extra electron to an anion who needs it. For example compound magnesium chloride (MgCl₂) has ionic bond (the electrostatic attraction between oppositely charged ions). Magnesium transfers two electrons (became positive cation) to chlorine (became negative anion).

For example, NaClO (sodium hypochlorite) contains both ionic and covalent bonding, ionic bond is between sodium and chlorine and covalent bond is between chlorine and oxygen.

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Which element has the highest thermal conductivity

Vera_Pavlovna [14]

Answer:

Diamond.

Explanation:

Having thermal conductivity of more than 2,000 WMK

WMK = Watts per Meter per Kelvin

3 0

3 years ago

Smog is a type of air pollution. It is a mixture of fog and smoke or other Airborne pollutants such as exhaust fumes. What is a

Tanya [424]

The answer is acid rain

for study island your welcome :)

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3 years ago

Draw the alkene formed when 1-heptyne is treated with hbr in the presence of peroxide.

Nimfa-mama [501]

<h2>Heptene formed is -</h2><h2> $CH_3-CH_2-CH_2-CH_2-CH_2-CH=CHBr$ </h2>

Explanation:

The two possibilities when the peroxide is not present

$CH_{3}-CH_{2}-CH_{2}-CH_{2}-CH_{2}-C$ ≡ $CH +HBr$ → $CH_3-CH_2-CH_2-CH_2-CH_2-CBr=CH_{2}$

$CH_3-CH_2-CH_2-CH_2-CH_2-CBr=CH_2$ + HBr → $CH_3-CH_2-CH_2-CH_2-CH_2-CBr_2-CH_3$

In presence peroxide,

$CH_3-CH_2-CH_2-CH_2-CH_2-C$ ≡ $CH$ + HBr → $CH_3-CH_2-CH_2-CH_2-CH_2-CH=CHBr$

When peroxides are present in the reaction mixture, hydrogen bromide adds to the triple bond of heptane with regioselectivity.

This reaction is opposite to that of Markovnikov's rule which says that when asymmetrical alkene reacts with a protic acid HX, then the hydrogen of an acid is attached to the carbon with more in number of hydrogen substituents, and the halide (X) group is attached to the carbon with more in number of substituents of alkyl.
One mole of HBr adds to one mole of 1-heptane.
The structure of heptene formed is -

$CH_3-CH_2-CH_2-CH_2-CH_2-CH=CHBr$

5 0

3 years ago

The half-life of a certain element is 100 days. How many half-lives will it be before only one-fourth of this element remains? 4

Georgia [21]

The answer is 2 half lives, i checked

7 0

3 years ago

Read 2 more answers

Does an atom have to have the same number of portions and neutrons in its nucleus? Yes or no

rosijanka [135]

Answer: