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3 years ago

Which of the following has the largest atomic radius: F-, F, CL-, or CL?

2 answers:

6 0

As you go down the table, more electron shells are added to make the radius larger, but as you go to the right, the protons' attraction increases so the radius actually shrinks. <span>Therefore, according to the trend, Cl has a larger radius because it is lower in the table.</span>

Answer: CL has a larger Atomic Radius.

insens350 [35]3 years ago

3 0

Answer: Option (c) is the correct answer.

Explanation:

More is the number of electrons present in an atom more will be its atomic size.

Atomic number of fluorine is 9 which means in neutral state a fluorine atom has only 9 electrons.

But when one electron is gained by a neutral fluorine atom then it changes into $F^{-}$ ion and there will be a total of 10 electrons in it.

On the other hand, atomic number of chlorine is 17 which means in neutral state a chlorine atom has only 7 electrons.

And, when this neutral chlorine atom gains an electron then it will form $Cl^{-}$ ion. Hence, total number of electrons present in a $Cl^{-}$ ion is 18.

Therefore, a $Cl^{-}$ ion has more number of electrons that is, 18 out of the given species.

Thus, we can conclude that atomic radius of $Cl^{-}$ ion is the largest.

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How many moles of ammonia are produced when 5.0 moles of hydrogen react with excess nitrogen? Use this balanced equation for the

wel

3 mol H₂ → 2 mol NH₃

5 mol H₂ → x mol NH₃

x=2*5.0/3=3.3

n(NH₃)=3.3 mol

7 0

3 years ago

What is the intermolecular force of NH3

Dominik [7]

ANSWER:
London dispersion and hydrogen bonds.

EXPLANATION :
Every molecule experiences London dispersion as an intermolecular force.since the ammonia ion has hydrogen atoms bonded to nitrogen,a very electronegative atom,the molecule is also polar since the nitrogen atom more strongly pulls on the electrons from the hydrogen atoms than the hydrogens themselves do.

This effect is similar to that water,where the oxygen pulls the electrons of the hydrogen atoms with a greater magnitude,resulting in the oxygen having a partial negative charge and the hydrogens having a partial positive charge relative to each other.

This polarity shows that the molecule has dipole-dipole intermolecular forces but since the polarity is from a result of highly electronegative atoms (such as nitrogen,oxygen,fluorine) and hydrogen atoms actually bonded to them,the polarity is categorized in it's own intermolecular force called a hydrogen bond.

I HOPE IT HELPS:)

3 0

3 years ago

A student makes the following two claims about chemical reactions:

Svet_ta [14]

I would agree with the second one, not the first. You can't always see the chemical reaction, and it isn't always sudden. But the second claim is true.

7 0

3 years ago

What happens during all chemical changes?

3241004551 [841]

Answer: Option (B) is the correct answer.

Explanation:

A change which brings change in composition of atoms of a substance to result in the formation of new substances is known as a chemical change.

Therefore, in a chemical change new substances are formed which have different properties as compared to their reactants.

For example, $2Na + Cl_{2} \rightarrow 2NaCl$

Thus, we can conclude that during all chemical changes atoms rearrange to form new substances.

7 0

3 years ago

Read 2 more answers

Why would it be more comfortable to walk on hot beach sand in flip-flops

Eddi Din [679]

Answer:

D. Thermal conduction is blocked by the flip-flops.

Explanation:

Convection is a process of heat transfer which involves fluids( liquid or gas). This however rules convection out of the answer.

Radiation involves heat transfer from the sun to bodies on earth.

Conduction involves heat transfer between two solid bodies. Hot beach sand and flip-flops are solid bodies which validates thermal(heat) conduction.

8 0

3 years ago