Chemistry, 14.12.2019 11:31 ghazanfarwaheed7967

An ionic bond can be formed when one or more electrons are(1) equally shared by two atoms(2) unequally shared by two atoms(3) transferred from the nucleus of one atom to the nucleus of another atom(4) transferred from the valence shell of one atom to the valence shell of another atom

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Correct option 4 i.e. transferred from valence shell of atom atom to the valence shell of another atom.

Reason:
Ionic bonds are preferentially formed when there is large difference in electronegativity of bonding atoms.

Atom that is highy electronegative in nature tends to accept electron from electropositive element. Stability of both of these atoms increases because, during the process to exchange of electrons, they acquire the electronic configuration of nearest inert gas.

For example: In NaCl, Na donates the proton to Cl. In ionized form, Na acquires the electronic configuration of 1s2 2s2 2p6, while electronic configuration of Cl becomes 1s2 2s2 2p6 3s2 3p6. Thus, in present case, electron is transferred from valence shell of Na to valence shell of Cl

Answer from: Quest

1.consider the following balanced equation and answer parts a through. show calculations for each part.

3 ag(s) + 4 hno3(aq) → 3 agno3(aq) + no(g) + 2 h2o(l)

a. calculate the number of moles of agno3 produced by the reaction of 3 moles of ag with excess hno3. if the number to the left of the compound represents the number of moles of the compound which are present, then 3 moles of ag react with 4 moles hno3 to produce 3 moles agno3 (aq).

so the answer to a would be 3 moles.

b. calculate the number of moles of agno3 produced by the reaction of 108 grams of ag with excess hno3.

i'm not sure how to plug in the grams of silver into an equation using moles to find how many moles are produced.

c. calculate the number of grams of agno3 produced by the reaction of 108 grams of ag with excess hno3

d. calculate the number of moles of no produced as a byproduct of the reaction of 108 grams of ag with excess hno3.

e. calculate the number of grams of no produced as a byproduct starting with 108 grams of ag and excess hno3.

explanation:

Answer from: Quest

it is stable as it is in group 0 which have full outer shells of electrons

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An ionic bond can be formed when one or more electrons are(1) equally shared by two atoms(2) unequal...

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