Groups

Q. Which of the following does not have a pseudo noble gas configuration?

1. $Z{n}^{2+}$
2. $S{n}^{4+}$
3. $A{l}^{3+}$
4. $I{n}^{3+}$

Q. The main group elements constitute:

1. $s$ and $p$ block
2. $p$ and $d$ block
3. $s$ and $d$ block
4. $d$ and $f$ block

Q.

Consider the elements Na, Mg and Al and their respective atomic numbers 11, 12 and 13.

Which element has the largest atomic radius?

Q. An element with atomic number $17$ is placed in the group $17$ of the long form periodic table. Element with atomic number $9$ is placed above and with atomic number $35$ is placed below it. Element with atomic number $16$ is placed left and with atomic number $18$ is placed right to it. Which of the following statements are correct:
(i) Valency of the element with atomic number $18$ is $0$
(ii) Elements with same valency have atomic number $16,17$ and $18$
(iii) Valency of elements with atomic number $9,17$ and $35$ is one
(iv) Element with atomic number $17$ is more electronegative than elements with atomic number $16$ and $35$

1. (i), (ii) and (iii)
2. (i), (iii), and (iv)
3. (i), (iii), and (iv)
4. (i), (ii) and (iv)

Q. An element with atomic number $17$ is placed in the group $17$ of the long form periodic table. Element with atomic number $9$ is placed above and with atomic number $35$ is placed below it. Element with atomic number $16$ is placed left and with atomic number $18$ is placed right to it. Which of the following statements are correct:
(i) Valency of the element with atomic number $18$ is $0$
(ii) Elements with same valency have atomic number $16,17$ and $18$
(iii) Valency of elements with atomic number $9,17$ and $35$ is one
(iv) Element with atomic number $17$ is more electronegative than elements with atomic number $16$ and $35$

1. (i), (ii) and (iii)
2. (i), (iii), and (iv)
3. (i), (iii), and (iv)
4. (i), (ii) and (iv)