MCQ
Which of the sub-shell is circular
- ✓$4s$
- B$4f$
- C$4p$
- D$4d$
✓
Answer
Correct option: A.
$4s$
a
(a) It consists only $s$ orbital which is circular.
(a) It consists only $s$ orbital which is circular.
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
Which of the following statements is not correct about $(A), (B)$ and $(C) -$
→The correct statement$(s)$ for orthoboric acid is/are
→$(A)$ It behaves as a weak acid in water due to self ionization.
$(B)$ Acidity of its aqueous solution increases upon addition of ethylene glycol.
$(C)$ It has a three dimensional structure due to hydrogen bonding.
$(D)$ It is weak electrolyte in water.
Which of the following compound shows geometrical isomerism
All element in $3$$^{rd}$ period have
→No work is done on the system, but q amount of heat is taken out from the system and given to the surrounding. The change in internal energy of a system is:
The sum of the number of lone pairs of electrons on each central atom in the following species is
→$\left[\mathrm{TeBr}_6\right]^{2-},\left[\mathrm{BrF}_2\right]^{+}, \mathrm{SNF}_3 \text {, and }\left[\mathrm{XeF}_3\right]^{-}$ (Atomic numbers : $\mathrm{N}=7, \mathrm{~F}=9, \mathrm{~S}=16, \mathrm{Br}=35, \mathrm{Te}=52, \mathrm{Xe}=54$ )
A sample of gas is compressed from an initial volume of $2V_0$ to $V_0$ using three different processess.
First: Using reversible isothermal.
Second: Using reversible adiabatic
Third: Using irreversible adiabatic under a constant external pressure.
Than
→First: Using reversible isothermal.
Second: Using reversible adiabatic
Third: Using irreversible adiabatic under a constant external pressure.
Than
Positronium consists of an electron and a positron (a particle which has the same mass as an electron, but opposite charge) orbiting round their common centre of mass. Calculate the value of the Rydberg constant for this system.
Bohr’s atomic theory gave the idea of :
Number of isomers of molecular formula ${C_2}{H_2}B{r_2}$ are
→