The heaviest atom amongst the following is - Vidyadip

Question

The heaviest atom amongst the following is

✓

Answer

a
$(a)$ $U > Ra > Pb > Hg$

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

NEET STD 11 Science question papers→Gujarat Board STD 11 Science question papers→Gujarat Board question paper generator→

Similar questions

Which of the following compound is diamagnetic

When $S{n^{2 + }}$changes to $S{n^{4 + }}$in a reaction

Given below are two statements: one is labelled as Assertion $(A)$ and the other is labelled as Reason $(R)$. Assertion $(A)$ : In aqueous solutions $\mathrm{Cr}^{2+}$ is reducing while $\mathrm{Mn}^{3+}$ is oxidising in nature.

Reason $(R)$ : Extra stability to half filled electronic configuration is observed than incompletely filled electronic configuration.

In the light of the above statement, choose the most appropriate answer from the options given below:

The values of ${K_{{P_1}}}$ and ${K_{{P_2}}}$ for the reaction

$X \rightleftharpoons Y + Z - - - - - - \left( 1 \right)$

$A \rightleftharpoons 2B - - - - - - \left( 2 \right)$

are in ratio of $9 :1$. If degree of dissociation of $X$ and $A$ be equal, then total pressure at equilibrium $(1)$ and $(2)$ are in the ratio

Which of the following statements is correct about equivalent weight of $KMn{O_4}$

For a given reaction $t_{1/2} = \frac{1}{k.a}$ the order of reaction will be

Which of the following is not a lewis acid?

$0.004\, M\, Na_2SO_4$ is isotonic with $0.01\,M$ glucose. Degree of dissociation of $Na_2SO_4$ is ........... $\%.$

If $96500$ coulombs of electricity liberates one gram equivalent of any substance, the time taken for a current of $0.15\, amperes$ to deposite $20\,mg$ of copper from a solution of copper sulphate is (Chemical equivalent of copper = $32$)

Which comp. is virtually Non basic