Category : Chemistry

Periodic Properties Quiz: How Much You Know About Periodic Properties?

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Questions & Options


1. The ionization energy of boron is less than that of beryllium:

183694 Beryllium has a higher nuclear charge than boron
183695 Beryllium has a lower nuclear charge than boron
183696 The outermost electron in boron occupies a 2p-orbital
183697 The 2s and 2p orbital’s of boron are degenerate

2. The ionic radii of Li+ , Be²+ and B³+ follow the order :

183698 Be²+ > B³+ > Li+
183699 Li+ > B³+ > Be²+
183700 B³+ > Be²+ > Li+
183701 Li+ > Be²+ > B³+

3. To which of the following atom, the attachment of electron is most difficult?

183702 Radon
183703 Nitrogen
183704 Oxygen
183705 Radium

4. Which one of the following is different pair?

183706 Li, Na
183707 Be, Ba
183708 N, As
183709 O, At

5. The ionization energy will be higher when the electron is removed from:

183710 S- orbital
183711 P-orbital
183712 D-orbital
183713 F-orbital

6. Which one of the following electronic configuration is associated with the biggest jump between the second and third ionization energies ?

183714 ₁s²2s²2p²
183715 ₁s²2s²2p⁶3s¹
183716 ₁s²2s²2p⁶3s²
183717 ₁s²2s²2p¹

7. Which one of the following isoelectronic ion has the lowest ionization energy?

183718 K+
183719 CLˉ
183720 Ca²+
183721 S²+

8. Arrange N, O and S in order of decreasing electron affinity.

183722 S>O>N
183723 O>S>N
183724 N>O>S
183725 S>N>O

9. Which one of the following arrangements shows the correct order of decreasing paramagnetism?

183726 N>Al>O>Ca
183727 N>O>Al>Ca
183728 O>N>Al>Ca
183729 O>N>Ca>Al

10. The incorrect statement among the following is:

183730 The first ionization potential of Al is less than the first ionization potential of Mg
183731 The second ionization potential of Mg is greater than the second ionization potential of Na
183732 The first ionization potential of Na is less than the first ionization potential of Mg
183733 The third ionization potential of Mg is greater than the third ionization potential of Al
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