Home
Class 10
CHEMISTRY
The electronic configurations of three e...

 The electronic configurations of three elements X, Y and Z are X 2, 8, Y-2, 8, 7 and Z- 2, 8, 2. Which of the following is correct?

Promotional Banner

Topper's Solved these Questions

  • METALS AND NON-METALS

    VK GLOBAL PUBLICATION|Exercise PROFICIENCY EXERCISE SHORT ANSWER QUESTION-II|5 Videos

  • METALS AND NON-METALS

    VK GLOBAL PUBLICATION|Exercise PROFICIENCY EXERCISE LONG ANSWER QUESTION|3 Videos

  • METALS AND NON-METALS

    VK GLOBAL PUBLICATION|Exercise PROFICIENCY EXERCISE VERY SHORT ANSWER|5 Videos

  • CHEMICAL REACTIONS AND EQUATIONS

    VK GLOBAL PUBLICATION|Exercise PROFICIENCY EXERCISE (LONG ANSWER QUESTIONS)|2 Videos

  • MODEL QUESTION PAPER - 4

    VK GLOBAL PUBLICATION|Exercise SECTION - B |2 Videos

Similar Questions

Explore conceptually related problems

The electronic configuration of three elements X, Y and Z are X - 2, 8, Y - 2, 8, 6 and Z - 2, 8, 1. Which of the following is correct ?

The electronic configuration of three elements X, Y and Z are: X:2 Y:2,8,7 Z:2,8,2 Which of the following is correct regarding these elements?

The electronic configuration of three clements X, Y and Z are given below , X = 2 , Y = 2, 6 , Z = 2, 8, 2. (i) Which element belongs to the second period ? (ii) Which element belongs to the eighteenth group ? (iii) Which element belongs to the second group ? (iv) What is the valency of Y ? (v) Are Y and Z metals or non-metals ?

The electronic configuration of three elements X,Y and Z are given below: X 2 Y 2,6 Z 2,8,2 (i) Which element belongs to second period? (ii) Which element belongs to second group? (iii) Which element belongs to eighteenth group?

The electronic configuration of three elements X,Y and Z are as follows X 2,4 Y 2,7 Z 2,1 (a) which two elements will combieto form an ionic compound? (b). Which two elementswill react to form a covalent compound? give reason for your choice.

The electronic configuration of an elements 'E' (Z = 16) is 2, 8, 6. Will it lose six electrons or gain two electrons easily ?

The electronic configuration of an element Z is 2,8,6.How many electons does it require to have a stable configuration?

An element of atom mass 39 has the electron configuration 2,8,8,1 which of the following statements are correct ?

Using elementary transformations, find the inverse of the matrix A=(8 4 3 2 1 1 1 2 2) and use it to solve the following system of linear equations : 8x+4y+3z=19 2x+y+z=5 x+2y+2z=7