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Introduction to p Block Elements

How many elec...

Question

How many electrons have the values n = 2, l = 1 and in the configuration 1s22s22p3? Options: Should have chosen 1 Wrong 3 5 7

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Q. The electronic configuration of some neutral atoms are given below

1 s^{2} 2 s^{1}

1 s^{2} 2 s^{2} 2 p^{3}

1 s^{2} 2 s^{2} 2 p^{4}

1 s^{2} 2 s^{2} 2 p^{6} 3 s^{1}

In which of these electronic configuration would you expect to have highest
(i)

I E_{1}

I E_{2}

Q. How many electrons will be present in the subshells having

m_{s}

- 1 / 2

n = 4

?

Q. How many electrons in an atom may have the following quantum numbers?
(a)

n = 4, m_{s} = - 1 / 2

n = 3, l = 0

Q. (a) How many sub-shells are associated with n = 4 ?
(b) How many electrons will be present in the sub-shells having

m_{s}

value of -1/2 for n = 4 ?

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