Structure of Atom Quiz-6

Question 1

The azimuthal quantum number for 17th electron of Cl atom is

Accepted Answer

1

Answer

2

Answer

3

Answer

0

Question 2

With increase in principal quantum number (n), the energy difference between adjacent energy levels in hydrogen atom

Accepted Answer

decreases

Answer

increases

Answer

remains contant

Answer

decreases for lower values of n and increases for higher values of n

Question 3

The de-Broglie wavelength of an electron which has kinetic energy of $2.14 \times10^{-22}J$ would be $(m_e = 9.1 \times10^{-31}kg)$

Accepted Answer

$3.35 \times10^{-8}\,m$

Answer

$9.3 \times10^{-4}\,m$

Answer

$9.3 \times10^{-7}\,m$

Answer

$9.3 \times10^{-10}\,m$

Question 4

The nineteenth electron of chromium has which of the following set of quantum numbers?

Accepted Answer

$4, 0, 0,\frac12$

Answer

$3, 0, 0, \frac12$

Answer

$3, 2, -2, \frac12$

Answer

$4, 1, -1,\frac12$

Question 5

Which of the following statements is true for chloride ion and potassium ion, which are iso electronic?

Accepted Answer

chloride ion is bigger than potassium ion

Answer

The have same size

Answer

Potassium ion is bigger than chloride ion

Answer

Size of an ion depends on the other cation or anion present

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