Home
Class 10
CHEMISTRY
Schematic atomic structures of four diff...

Schematic atomic structures of four different elements `""_(8)^(16)W^(2-) , ""_(10)^(20)X, ""_(17)^(35)Y^(-) and ""_(11)^(23)Z^+` are given as I, II , III and IV respectively as follows :

The correct representations are

A

I,II and IV only

B

I, III and IV only

C

III and IV only

D

I and IV only

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • NSO QUESTION PAPER 2018 SET A

    SCIENCE OLYMPIAD FOUNDATION |Exercise Achievers Section|2 Videos
  • NSO QUESTION PAPER 2017 SET B

    SCIENCE OLYMPIAD FOUNDATION |Exercise Achievers Section|2 Videos
  • NSO QUESTION PAPER 2018 SET B

    SCIENCE OLYMPIAD FOUNDATION |Exercise ACHIEVERS SECTION|2 Videos

Similar Questions

Explore conceptually related problems

Find the structure of the following atoms: (i) ._(8)^(16)O" " (ii) ._(17)^(35)Cl" " (iii) ._(13)^(27)Al .

The body temperatures of four people W, X, Y, and Z were taken using four different thermometers I, II, III and IV respectively. The reading of each thermometer is shown in the given figure, Among the four people, the body temperature ofi is the highest and is equal to ii. The information in which alternative completes the given statement?

Three different atoms of oxygen are represented as : ._(8)^(16)O,._(8)^(17)Oand._(8)^(18)O (i) What do the subscripts (lower figures) and supercripts (upper figures) represented ? (ii) What factor is responsible for the change in the supercripts 16, 17 and 18, though the element is the same ? (iii) What is the usual name for such atoms of an element ? (iv) Give the nuclear composition of ._(8)^(18)O .

In the sketch of stomatal apparatus given alongside, the parts I, II, III and IV were labelled differently by four students. The correct labelling is shown in :

Write down the following in the product form: (i) x^(2)y ^(2) (ii) 6y^(5) (iii) 9xy^(2)z (iv) 10 a^(3) b^(3) c^(3)

Write the following in expanded form: (i) (9x+2y+z)^(2)( ii) (3x+2y-z)^(2)( iii) (x-2y-3z)^(2)( iv) (-x+2y+z)^(2)

For the solution of the gases W, X, Y and z in water at 298 K , the Henrys law constants ( K _ H ) are 0.5, 2, 35 and 40 kbar, respectively. The correct plot for the given data is :

Schematic representation of three atoms X, Y and Z is given as Which of the following statements is/are correct? I. X, Y and Z are isotopes. II. X and Z have the same valency. III. The increasing order of atomic numbers is X lt Z lt Y. IV. X, Y and Z have stable electronic configurations.