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3 years ago

if two atoms share electrons how does knowledge of the electronegativity of each atom help determine if the bond will be polar

Chemistry

2 answers:

Serggg [28]3 years ago

4 0

Answer:

Explanation:

bulgar [2K]3 years ago

3 0

Whether a bond is nonpolar or polar covalent is determined by a property of the bonding atoms called electronegativity. ... It determines how the shared electrons are distributed between the two atoms in a bond. The more strongly an atom attracts the electrons in its bonds, the larger its electronegativity.

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Plss help me pass . I am so confused in chemistry !!

Lapatulllka [165]

Answer:

Explanation:

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2 years ago

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3 years ago

What is happening when an oxygen molecule is formed from two separate oxygen atoms?

Pepsi [2]

They share four electrons, two from each oxygen atom

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2 years ago

a change will only occur one time. group of answer choices cyclic periodic unidirectional bidirectional

Irina18 [472]

A change will only occur one time in unidirectional.

Because

Cyclic : Cyclic compounds are chemical compounds having a basic non-linear structure. In other words, these are ring structures. One or more series of atoms in the compound is connected to form a ring structure.

Periodic : The periodic table of chemical elements, often called the periodic table, organizes all discovered chemical elements in rows (called periods) and columns (called groups) according to increasing atomic number.

Unidirectional : compound is operating or moving in one direction only and it does not move in other direction.

Bidirectional : Capable of reacting or functioning in two, usually opposite, directions.

Thus, A change will only occur one time in unidirectional.

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1 year ago

Balance the following skeleton reactions and identify the oxidizing and reducing agents:(b) CrO₄²⁻(aq) + Cu(s) → CrOH₃(s) + CuOH

andrew-mc [135]

The balanced skeleton reactions are given below

2CrO₄²⁻(aq) + 3Cu(s) +8 $H_{2} O$ (l) → 2Cr(OH)₃(s) + 3Cu(OH)₂(s) + 6 $OH^{-}$ (aq)

The oxidising agent and reducing agents are Cr and Cu .

There are following steps involve in balance redox reaction in basic medium .

First divide the reaction into two half reactions which give oxidation and reduction half reaction.

Then balance the elements other than oxygen and hydrogen atom.

Balance the oxygen atom by adding $H_{2} O$ where number of oxygen is less .

Balance the hydrogen atom by adding $H^{+}$ on another side of where water molecule added.
Add $OH^{-}$ ions to both sides to neutralize $H^{+}$ ion.
Combine $H^{+}$ and $OH^{-}$ ion to make $H_{2} O$ .

Balance the charge by adding $e^{-}$ .

Add the half reaction .

The species which reduces the other species in the redox reaction is called oxidizing agent . Similarly , the species which oxidize the other species in the redox reaction is called reducing agent .

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1 year ago