Classification of Element Quiz-1

Question 1

The correct order of second ionization potential of carbon, nitrogen, oxygen, and fluorine is

Accepted Answer

O > F > N > C

Answer

C > N > O > F

Answer

O > N > F > C

Answer

F > O > N > C

Question 2

The first ionization potential of Na, Mg, Al, and Si are in the order

Accepted Answer

Na < Mg > Al < Si

Answer

Na > Mg > Al < Si

Answer

Na < Mg > Al > Si

Answer

Na > Mg > Al > Si

Question 3

The set representing the correct order of ionic radius is

Accepted Answer

$Na^+>Li^+>Mg^{2+}>Be^{2+}$

Answer

$Li^+>Be^{2+}>Na^+>Mg^{2+}$

Answer

$Li^+>Na^+>Mg^{2+}>Be^{2+}$

Answer

$Mg^{2+}>Be^{2+}>Li^+>Na^+$

Question 4

Atomic radii of fluorine and neon in Angstrom units are respectively given by

Accepted Answer

0.75, 1.60

Answer

1.60, 1.60

Answer

0.72, 0.72

Answer

None of these

Question 5

Which one of the following is the smallest in size?

Accepted Answer

$Na^+$

Answer

$N^{3-}$

Answer

$O^{2-}$

Answer

$F^-$

Game Settings