IIT JEE Questions And Answers :: Chemical Families Periodic Properties: part1



IIT JEE : Chemical Families Periodic Properties QUESTIONS AND ANSWERS :: part1 : 11 to 15

Following IIT JEE Entrance Multiple choice objective type questions and answers will help you in Maths, Physics and Chemistry 2014 examinations :

11.Keeping in view the periodic law and periodic table, suggest which of the following elements should have maximum electronegative character.

Oxygen
Nitrogen
Fluorine
Astatine.

12.Elements in the same vertical group of the periodic table have same

number of electrons
atomic number
number of valence electrons
electronic configurations.

13.The first ionization energy in electron volts of nitrogen and oxygen atoms are respectively given by

14.6, 13.6
13.6, 14.6
13.6, 13.6
14.6, 14.6.

14.Which of the following elements forms maximum number of compounds?

Carbon
Silicon
Hydrogen
Fluorine.

15.Atomic radii of fluorine and neon in Angstrom units are respectively given by

0.72, 1.60
1.60, 1.60
0.72, 0.72
None of these.

More Chemical Families Periodic Properties QUESTIONS AND ANSWERS available in next pages

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