1
MHT CET 2024 16th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Which of the following species contain 20 electrons?

A
$\mathrm{K}^{+}$
B
Ca
C
Mg
D
Cl
2
MHT CET 2024 15th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Calculate the radius of first orbit of He$^+$.

A
24.45 pm
B
13.23 pm
C
48.62 pm
D
39.46 pm
3
MHT CET 2024 15th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

What is the designation of an orbital with quantum numbers $\mathrm{n}=4$ and $l=3$?

A
4s
B
4p
C
4d
D
4f
4
MHT CET 2024 15th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Find the number of electrons that generate 1 coulomb charge?

A
$6.24 \times 10^{18}$
B
$1.25 \times 10^{18}$
C
$6.22 \times 10^{23}$
D
$3.12 \times 10^{18}$
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