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



IIT JEE : Chemical Families Periodic Properties QUESTIONS AND ANSWERS :: part1 : 1 to 5

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

1.Which of the following is a bridge element?

Be
Cl
K
P.

2.The ionization energy of nitrogen is more than that of oxygen because

Nitrogen has half-filled p-orbital
Nitrogen atom is smaller in size than oxygen atom
Nitrogen atom is smaller in size than oxygen atom
Nitrogen is less electronegative.

3.In the long form of periodic table, elements are arranged according to

increasing atomic number
decreasing atomic number
increasing atomic mass
decreasing atomic mass.

4.The most electronegative and the most electropositive elements of the first period is/are

H and He
Na and Cl
Li and F
H and H.

5.Which of the following statements is not correct?

Among halogens, oxidizing behaviour increases down the group
Among alkali metals, reducing character increases down the group
Fluorine is the most electronegative elements
Lithium is the hardest metal among alkali metals.

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

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