Periodic Properties and Variations-Class-10-MCQs

All About Chemistry4 years ago4 years ago01 mins

Check your progress in this chapter. This Test consists of 20 MCQ questions. After completion of the test click the submit button.

1. Atomic size depends on _______and________. Nuclear Charge Number of shells Both of the above None of the above

2. Which of the following is not a periodic property Atomic Radius Specific Heat Ionisation Energy Electronegativity

3.Between Li,Be,B,C, which one possesses the largest atomic radius Li Be B C

4.The Element with smallest atomic radius among Al,Si,P,S,Cl Al Cl Si P

5. ________ possess the highest ionisation energy. K Ne He Na

6. Which one of the following carries a positive electron affinity value Mg Al Na Si

7. Which halogen possess the highest electronegativity. I Br Cl F

8.The ability of the elements to lose the valence electrons in order to attain the electronic configuration of the nearest noble gas is called __________. Metallic Character Non Metallic Character Electronegatoivity Electron Affinity

9. The element with highest ionisation energy B Li O C

10.The unitless quantity among the following is Electronegativity Ionisation energy Electron affinity Atomic Size

11.With the increase in atomic size, electronegativity of element _______. Increases Decreases Remain Same

12.Higher the non-metallic nature, stronger the ______ agent it is more ______ the oxide of it will form. Reducing, acidic Oxidising, acidic Reducing, basic Oxidising, basic

13. Most reactive halogen among the following-Br, Cl, F, I Cl F Br I

14. The most electronegative among : Cl, Al, Na, P Cl Al Na P

15. _________ of an element is the tendency of its atom in a molecule to attract the shared pair of electrons towards itself in a covalent bond. Electron affinity Electronegativity Ionisation energy Atomic Size

16. Electron affinity of gaseous anion is Zero Negative Positive

17. Atomic size, metallic nature and reducing nature ________across a period Remain Same Increases Decreases

18. Chemical reactivity of the extreme left elements is due to- High ionisation energy Low ionisation energy High electronegativity High electron affinity