Home
Class 10
CHEMISTRY
From the following elements : ""(20)Ca...

From the following elements :
`""_(20)Ca,""_(3)Li,""_(11)Na,""_(10)Ne`
(a) Select the element which has two shells, both of which are completely filled with electrons.
(b) Select two elements of the same group.

Text Solution

Verified by Experts

Element in which two shells are completely filled with electrons is `""_(10)Ne` (2, 8).
Two elements of the same group are `""_(3)Li` (2,1) and `""_(11)Na` (2, 8, 1).
Promotional Banner

Topper's Solved these Questions

  • PERIODIC CLASSIFICATION OF ELEMENTS

    KUMAR PRAKASHAN|Exercise ADDITIONAL QUESTIONS AND ANSWER ( Distinguish between the following: )|7 Videos

  • PERIODIC CLASSIFICATION OF ELEMENTS

    KUMAR PRAKASHAN|Exercise OBJECTIVE QUESTIONS AND ANSWERS ( Answer the following questions in one word :)|25 Videos

  • PERIODIC CLASSIFICATION OF ELEMENTS

    KUMAR PRAKASHAN|Exercise TEXTUAL EXERCISE|13 Videos

  • MODEL QUESTION PAPER 01

    KUMAR PRAKASHAN|Exercise (SECTION-A) (MCQs)|1 Videos

  • QUESTION PAPER-2 (MARCH,2020 - BOARD'S QUESTIONS PAPER)

    KUMAR PRAKASHAN|Exercise Section - D (Answer the following questions)|3 Videos