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महाराष्ट्र राज्य शिक्षण मंडळएस.एस.सी (इंग्रजी माध्यम) इयत्ता १० वी

Write down the electronic configuration of the following elements from the given atomic numbers. Answer the following question with explanation. 7N, 6C, 8O, 5B, 13Al Which is the most electronegative

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प्रश्न

Write down the electronic configuration of the following elements from the given atomic numbers. Answer the following question with explanation.

7N, 6C, 8O, 5B, 13Al Which is the most electronegative element among these?

संख्यात्मक
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उत्तर

7N, 6C, 8O, 5B, 13Al
The electronic configuration of the following elements is:
7N =2, 5
6C = 2, 4
8O = 2, 6

5B = 2, 3
13Al = 2, 8, 3
8O is the most electronegative element among these because electronegativity increases as we move from left to right in a period of the periodic table.

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पाठ 2: Periodic Classification of Element - Exercise [पृष्ठ २९]

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बालभारती Science and Technology Part 1 [English] Standard 10 Maharashtra State Board
पाठ 2 Periodic Classification of Element
Exercise | Q 4. c. | पृष्ठ २९

संबंधित प्रश्‍न

Write down the electronic configuration of the following elements from the given atomic numbers. Answer the following question with explanation.
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Write down the electronic configuration of the following elements from the given atomic numbers. Answer the following question with explanation.
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Write down the electronic configuration of the following elements from the given atomic numbers. Answer the following question with explanation.
 19K, 3Li, 11Na, 4Be Which of these atoms has smallest atomic radius?


Which of this element belong to the period 3? Write their electronic configuration

`3^(Li) , 14^(Si) , 2^(He) , 15^(P)`


Which pair of atomic numbers represents elements in the same group?


Which among the following elements would lose an electron easily?


Answer the following question in one sentence.

Write the name of the noble gas having 2 electrons in its valence shell.


Match the columns.

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3) d -block c) Group 1, 2
4) f -block d) Group 13 to 18
  e) Zero group

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Write a scientific reason.

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  1. 2, 8, 2
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  3. 2, 1

Observe the given chart and answer the questions given below.

Element A B C D
Electronic configuration 2, 1 2, 8 2, 8, 1 2, 8, 8
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  3. Which elements are in the 18th column?
  4. Which element is more reactive among A and C?
  5. Which of the following elements A or B will form compounds?

XY compound is formed by X (Atomic number 11) and Y (Atomic number 17), then answer the questions given below.

  1. Determine the position of the element X and Y periodic table.
  2. Which type of elements X and Y are metals, nonmetals or metalloids?
  3. From which block the elements X and Y are?
  4. Determine the electronic configuration and valency of these elements.

Observe the periodic table given below and write the answers of the questions.

  1. Write the name and valencies of the elements in 3rd row.
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  3. Which block does nonmetals belong to?
  4. Write name of any two metalloid elements.

An element has its electron configuration as 2, 8, 1. Now answer the following questions:

  1. What is the atomic number of this element?
  2. What is the group of this element?
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