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sweet-ann [11.9K]
3 years ago
11

A covalent chemical bond is one in which _____. a covalent chemical bond is one in which _____. outer-shell electrons of two ato

ms are shared so as to satisfactorily fill their respective orbitals electrons are removed from one atom and transferred to another atom so that the two atoms become oppositely charged protons and neutrons are shared by two atoms so as to satisfy the requirements of both atoms electrons from the same atom, but opposite spins, are paired outer-shell electrons of one atom are transferred to fill the inner electron shell of another atom
Chemistry
2 answers:
alexgriva [62]3 years ago
7 0

A covalent chemical bond is one in which outer-shell electrons of two atoms are shared so as to satisfactorily fill their respective orbitals.

<h2>Further Explanation;</h2><h3>Chemical bond  </h3>

A bond is a type of force that is formed between atoms of different through the sharing or transfer of electrons.

<h3>Types of chemical bonds.</h3><h3>Covalent bond  </h3>
  • This is a type of bond that is formed between non-metal atoms. It is formed as a result of sharing electrons between non-metal atoms.
  • Outermost electrons are shared between the atoms involved in bonding so as each atom attains a stable configuration.
  • When atoms involved contribute an equal number of electrons to the bond formation, the type of bond is known as a covalent bond
  • A covalent bond may be a dative covalent bond when the shared electrons come from one atom.
<h3>Ionic bond  </h3>
  • This is a type of bond that occurs between metal ions and non-metal ions. Ionic bond occurs as a result of the transfer of electrons from one metal atom to another non-metal atom.
  • After the transfer of electrons, metal atom loses an electron to form a cation while the non-metal atom gains electrons to form an anion.
<h3>Polar covalent bonds </h3>
  • Polar covalent bonds involve uneven sharing of electrons between a non-metal atom and another non-metal atom.
  • Electrons spend more time around one of the atoms involved in bonding than the other atom.
  • The uneven distribution of electrons or differences in electronegativity between atoms bonded to each other is referred to as a polar bond.
  • Examples of polar covalent molecules, S-F, O-F, etc.
<h3>Non-polar covalent bonds </h3>
  • It is a type of covalent bodn in which two atoms share a pair of electrons equally with each other.
  • The electronegativity of the two atoms involved in non-polar covalent are equal.
  • Non-polar covalent bonds involves non-metal non-metal atoms.
  • Examples of non-polar covalent molecules includes; F-F, H-H, etc.

Keywords: Polar covalent, non-polar covalent, ionic bonds, covalent bonds.

<h3>Learn more about:</h3>
  • Chemical bonds: brainly.com/question/1462731
  • Ionic bonds: brainly.com/question/1462731
  • Covalent bonds: brainly.com/question/1462731
  • Polar covalent bonds: brainly.com/question/1462731
  • Non-polar covalent bond: brainly.com/question/1462731

Level: High school  

Subject: Chemistry  

Topic: structure and bonding  

Sub-topic: Covalent bond

PtichkaEL [24]3 years ago
5 0

Answer:

            A covalent chemical bond is one in which <u>outer-shell electrons of two atoms are shared so as to satisfactorily fill their respective orbitals</u>.

Explanation:

                   Covalent bonds are formed between two atoms having their electronegativity difference less than 1.7. In this type of bonding the valence electrons of one atoms forms molecular bond with the valence electrons of another atom. The electrons are mutually shared.

                   Covalent bond can be non-polar as for example formed between hydrogen and carbon atoms.

                   Also, covalent bond can be polar in nature as that formed between hydrogen and chlorine atoms because the chlorine atom is more electronegative and hence attracts the electrons more towards itself making density of electrons less on hydrogen atom.

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Concentrations expressed as a percent by mass are useful when the solute is a _____.
Westkost [7]

C. Solid

Although molarity is commonly used to express concentrations for reactions in solution or for titrations, it does have one drawback—molarity is the number of moles of solute divided by the volume of the solution, and the volume of a solution depends on its density, which is a function of temperature.

3 0
3 years ago
Read 2 more answers
How many molecules of CO2 at standard temperature and pressure in 5.4 moles of CO2
olganol [36]

Answer:

3.25×10²⁴ molecules.

Explanation:

From the question given above, the following data were obtained:

Number of mole of CO₂ = 5.4 moles

Number of molecules of CO₂ =?

The number of molecules of CO₂ in 5.4 moles can be obtained as follow:

From Avogadro's hypothesis,

1 mole of CO₂ = 6.02×10²³ molecules

Therefore,

5.4 moles of CO₂ = 5.4 × 6.02×10²³

5.4 moles of CO₂ = 3.25×10²⁴ molecules

Thus, 5.4 moles of CO₂ contains 3.25×10²⁴ molecules.

8 0
2 years ago
Under constant pressure a sample of hydrogen gas initially at 88°C and 9.6 L is cooled until its final volume is 3.4 L. What is
Scilla [17]

The final temperature = -145.24K or 127°C.

According to the data given,

T1= 88°C = 361.15K

V1= 9.6 L

V2= 3.4 L

T2= ?

We know that, according to Charles's law,

T1/V1=T2/V2

T2= T1*V2/V1

T2= 127°C or -145.24K

The final temperature = -145.24K or 127°C

<h3>What does Charles law state?</h3>

According to Charles' law, when the pressure is held constant, the volume of a given amount of gas is precisely proportional to its temperature on the kelvin scale.

<h3>What connection exists between volume and temperature?</h3>
  • In layman's words, the volume of a fixed mass of gas is exactly proportional to temperature at constant pressure.
  • When a constant mass of gas is cooled, its volume decreases, and when the temperature is elevated, its volume grows.

<h3>What are the applications of Charles law?</h3>
  • A hot air balloon drifting through the air is an illustration of Charles Law in action.
  • The air within the balloon is heated by a torch, which causes the air molecules to move more quickly and disperse.
  • This causes the air inside the balloon to be less dense than the air outside, which causes the balloon to float.

To learn more about Charles law visit:

brainly.com/question/16927784

#SPJ9

7 0
1 year ago
A 20.0-milliliter sample of HCl(aq) is completely neutralized by 32.0 milliliters of 0.50 M KOH(aq).
salantis [7]
You can use the formula M1 x V1 = M2 x V2 where M1 is the molarity of the first substance and V1 is the volume of the substance. M2 is the molarity of the 2nd substance and V2 is the volume of the substance

if substance 1 is HCl and 2 is KOH we can set up the following equation

x moles / liter (unknown) x .02 liters = .5 moles/ liter x .032 liters

x moles / liter x .02 liters = .016 moles

x moles / liter = .016/.02 liters

x moles / liter = .8 moles/ liter
 
You have . 8M HCL 

3 0
3 years ago
Read 2 more answers
You wish to prepare a tape-casting slip containing 50 vol% Al2O3 and 50 vol% polyvinyl butyral (PVB) binder. If the density of A
belka [17]

<u>Answer:</u> The mass of PVB required to produce 1000 grams of tape is 213.4 grams

<u>Explanation:</u>

To calculate the mass of aluminium oxide, we use the equation:

\text{Density of substance}=\frac{\text{Mass of substance}}{\text{Volume of substance}}       .......(1)

  • <u>For Al_2O_3</u>

We are given:

50% (v/v) of Al_2O_3

This means that 50 mL of aluminium oxide is present in 100 mL of tape

Calculating the mass of aluminium oxide by using equation 1:

Density of aluminium oxide = 3.98 g/cm^3

Volume of aluminium oxide = 50mL=50cm^3     (Conversion factor:  1mL=1cm^3 )

Putting values in equation 1, we get:

3.98g/cm^3=\frac{\text{Mass of aluminium oxide}}{50cm^3}\\\\\text{Mass of aluminium oxide}=(3.98g/cm^3\times 50cm^3)=199g

Mass of aluminium oxide = 199 g

  • <u>For PVB:</u>

We are given:

50% (v/v) of PVB

This means that 50 mL of PVB is present in 100 mL of tape

Calculating the mass of PVB by using equation 1:

Density of PVB = 1.08 g/cm^3

Volume of PVB = 50mL=50cm^3

Putting values in equation 1, we get:

1.08g/cm^3=\frac{\text{Mass of PVB}}{50cm^3}\\\\\text{Mass of PVB}=(1.08g/cm^3\times 50cm^3)=54g

Mass of PVB = 54 g

Mass of tape = Mass of aluminium oxide + mass of PVB

Mass of tape = [199 + 54] g = 253 g

To calculate the mass of PVB required to produce 1000 g of tape, we use unitary method:

When 253 grams of tape is made, the mass of PVB required is 54 g

So, when 1000 grams of tape is made, the mass of PVB required will be = \frac{54}{253}\times 1000=213.4g

Hence, the mass of PVB required to produce 1000 grams of tape is 213.4 grams

4 0
2 years ago
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