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Cloud [144]
3 years ago
8

What type of bond is formed between sodium and iodine in sodium iodide (NaI)? A. ionic B. metallic C. polar covalent D. nonpolar

covalent
Chemistry
1 answer:
iragen [17]3 years ago
7 0

Answer: Option (A) is the correct answer.

Explanation:

When two atoms share electrons then it results in the formation of covalent bond. Whereas when there is transfer of electrons between two atoms then it forms an ionic bond.

Sodium is a metal so it has excess of electrons whereas iodine is a non-metal so it is electron deficient.

So, sodium will give its extra electron to iodine thus due to transfer of electron it results in the formation of ionic bond.

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2 years ago
Name the process which takes place when
Lady_Fox [76]

Explanation:

Chlorine gas bleaches the damp litmus (red or blue). Bleaching is an oxidation process.

5 0
3 years ago
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What is the Molarity of a solution of HNO3 if it contains 12.6 moles in a<br> 0.75 L solution? *
Korolek [52]

Answer:

M = 16.8 M

Explanation:

<u>Data:</u> HNO3

moles = 12.6 moles

solution volume = 0.75 L

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M=\frac{moles}{solution volume}

The data is replaced in the given equation:

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7 0
3 years ago
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2) Convert 2.65*10^ ^ 25 atoms of Chlorine to moles of CI
Irina18 [472]

Answer:

22 mol

Explanation:

Given data:

Number of atoms of Cl = 2.65×10²⁵ atom

Number of moles of Cl = ?

Solution:

The given problem will solve by using Avogadro number.

It is the number of atoms , ions and molecules in one gram atom of element, one gram molecules of compound and one gram ions of a substance.  The number 6.022 × 10²³ is called Avogadro number.

1 mole = 6.022 × 10²³ atoms

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0.44×10² mol

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7 0
3 years ago
Condensation is a process for which a. ΔG is negative at high temperature but positive at low temperature. b. ΔH and ΔS are nega
IgorC [24]

Answer:

b. ΔH and ΔS are negative at all temperatures .

Explanation:

During the process of condensation ,

The gaseous state convert to liquid state ,

Hence , the entropy of the system reduces , i.e. , the randomness decreases .

And the value for entropy is negative ,

hence ,

Δ S = negative ,

Δ H = negative ,

Since ,

The heat is releasing from system .

hence , the most appropriate option will be ΔH and ΔS are negative at all temperatures .

7 0
3 years ago
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