Question 5 :
An _____ bond is a bond in which electrons are transferred.

Question 8 :
Statement I: The most important factor in determining the chemical properties of an element is the number of electrons in the outermost shell.<br/>Statement II: The number of electrons in the outer shell determines the bonding characteristics of the element.<br/>

Question 9 :
Depending on Lewis structure, $OF_2, O_2F_2$ and $S_2F_2$ which of the following statement is incorrect?

Question 10 :
The total number of moles of valence electrons in 4.2g of $N_3{^-}$ ion are:

Question 11 :
Which of the following element is formed as a result of transfer of two valence electron?

Question 12 :
How many number of electrons are involved in the formation of a nitrogen molecule?

Question 15 :
An element which has 2 electrons less than that in Ne is

Question 16 :
Statement I: Metals are good conductors of electricity<br/>Statement II: In $M_2$, they are held together by ionic bonds

Question 17 :
Formal charge on nitrogen and oxygen in $NO^-_3$ ion are respectively:&nbsp;

Question 19 :
The table shown below gives the bond dissociation energies $(E_{diss})$ for single covalent bonds of carbon ($C$) atoms with the element $P, Q, R$ and $S$. Which element has the smallest atoms?<table class="wysiwyg-table"><tbody><tr><td>Bond</td><td>$E_{diss}(kJmol^{-1})$</td></tr><tr><td>$C - P$</td><td>$240$</td></tr><tr><td>$C - Q$</td><td>$328$</td></tr><tr><td>$C - R$</td><td>$276$</td></tr><tr><td>$C - S$</td><td>$485$</td></tr></tbody></table>

Question 21 :
Which type of bond is present in $ [ BeF_2]_n $ polymer ?

Question 22 :
In ${ PO }_{ 4 }^{ 3- }$ ion, the formal charge on each oxygen atom and $P-O$ bond order respectively.

Question 23 :
Which of the following molecules maximum bond dissociation energy at room temperature?