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Structure of the Atom

If Z=3, what would be the valency of the element? Also, name t

Science

Class 9

NCERT

Chapter 1: Matter in Our Surroundings

9 questions

Chapter 2: Is Matter Around Us Pure?

13 questions

Chapter 3: Atoms and Molecules

16 questions

Chapter 4: Structure of the Atom

19 questions

The average atomic mass of a sample of an element

X

16.2 u

. What are the percentages of isotopes

_{8}^{16} X

and

_{8}^{18} X

in the sample?

Z = 3

, what would be the valency of the element? Also, name the element.

Composition of the nuclei of two atomic species

X

and

Y

are given as under

X

Y

Protons

=

6

6

Neutrons

=

6

8

X

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Chapter 5: The Fundamental Unit of Life

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Chapter 6: Tissues

15 questions

Chapter 7: Diversity in Living Organisms

6 questions

Chapter 8: Motion

18 questions

Chapter 9: Force and Laws of Motion

29 questions

Chapter 10: Work and Energy

23 questions

Chapter 11: Sound

25 questions

Chapter 12: Why do We Fall Ill?

6 questions

Chapter 13: Natural Resourses

6 questions

Chapter 14: Improvement in Food Resources

Chapter 15: Gravitation

29 questions

Question

Easy

Solving time: 3 mins

If $Z = 3$ , what would be the valency of the element? Also, name the element.

Name: Video solution 1: [Solved] If Z=3, what would be the valency of the element? Also, name the element. - Science
Uploaded: 2023-02-14T20:29:09.000Z
Duration: 1 min
Description: Video solution 1: [Solved] If Z=3, what would be the valency of the element? Also, name the element. - Science

Views: 5,996 students

Updated on: Feb 14, 2023

Book:

Science (NCERT)

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Z = 3

, what would be the valency of the element? Also, name the element.

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Text solutionVerified

By Z=3, we mean that the Atomic number (Z) of the element is 3.

Its electronic configuration is 2,1.

Hence, the valency of this element is 1 since the outermost shell has only one electron.

Therefore the element with Z=3 is Lithium.

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Practice more questions from Science (NCERT)

The average atomic mass of a sample of an element

X

16.2 u

. What are the percentages of isotopes

_{8}^{16} X

and

_{8}^{18} X

in the sample?

Z = 3

, what would be the valency of the element? Also, name the element.

Composition of the nuclei of two atomic species

X

and

Y

are given as under

X

Y

Protons

=

6

6

Neutrons

=

6

8

X

View all

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Question Text	If $Z = 3$ , what would be the valency of the element? Also, name the element.
Updated On	Feb 14, 2023
Topic	Structure of the Atom
Subject	Science
Class	Class 9
Answer Type	Text solution:1 Video solution: 2
Upvotes	316
Avg. Video Duration	1 min

If $Z = 3$ , what would be the valency of the element? Also, name the element.

Text solutionVerified

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