Chemical Families Periodic Properties QUESTIONS AND ANSWERS

IIT JEE : Chemical Families Periodic Properties QUESTIONS AND ANSWERS :: part2 : 16 to 20

Following IIT JEE Entrance Multiple choice objective type questions and answers will help you in Maths, Physics and Chemistry 2024 examinations :

16.A trend which is common to elements of both the group IA and group VIIA, on going from top to bottom

Boiling point increases

Electron affinity increase

Oxidising power increases

Ionization energy decreases.

17.A property which gradually increases on moving down a group in the periodic table is

Ionization energy

Electronegativity

Electron affinity

Atomic size.

18.The concept of telluric helix was developed by

Lothar Meyer

A.E. de Chancourtois

Newlands

Dobereiner.

19.Which of the following always increases on going from top to bottom in a group?

Metallic character

Electronegativity

Oxidising behaviour

Reducing behaviour.

20.Which of the following statements is incorrect?

The elements of group 18 are known as aerogens

Group 2 elements are all metals

Metallic character increases on going down a group

All the elements belonging to a particular period have same valence shell configuration.

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

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