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MArishka [77]
3 years ago
14

Water is ______ because oxygen is more electronegative than hydrogen.​

Chemistry
1 answer:
Lera25 [3.4K]3 years ago
5 0

Answer:

water is <u>polar </u>because oxygen is more electronegative than hydrogen

Explanation:

Water is  polar covalent compound because of large electronegativity difference between oxygen and hydrogen. If the electronegativity difference is 0.4 or less than 0.4 the covalent compound will be non polar.

Covalent Compound:

It is formed by the sharing of electron pair between bonded atoms.  

The atom with larger electronegativity attract the electron pair more towards it self and becomes partial negative while the other atom becomes partial positive.

For example:

In water the electronegativity of oxygen is 3.44 and hydrogen is 2.2. That's why electron pair attracted more towards oxygen, thus oxygen becomes partial negative and hydrogen becomes partial positive and water becomes polar.

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Answer:

Detail is given below

Explanation:

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As we move down the group atomic radii increased with increase of atomic number. The addition of electron in next level cause the atomic radii to increased. The hold of nucleus on valance shell become weaker because of shielding of electrons thus size of atom increased.

As the size of atom increases the ionization energy from top to bottom also  decreases because it becomes easier to remove the electron because of less nuclear attraction and as more electrons are added the outer electrons becomes more shielded and away from nucleus.

In A we can see that there is one positive charge and force of attraction is 2.30×10⁻⁸ N and distance is 0.10 nm

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3 0
3 years ago
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Hope I was able to help!
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