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

Which among the following elements would lose an electron easily? - Science and Technology 1

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प्रश्न

Which among the following elements would lose an electron easily?

पर्याय

  • Mg

  • Na

  • Al

  • Cl

MCQ

उत्तर

Na

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  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 2: Periodic Classication of Element - Choose the correct option.

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एससीईआरटी महाराष्ट्र Science and Technology 1 [English] 10 Standard SSC
पाठ 2 Periodic Classication of Element
Choose the correct option. | Q 10

संबंधित प्रश्‍न

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

 1H, 7N, 20Ca, 16S, 4Be, 18Ar Which of these elements belong to the second group?


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?


Write down the electronic configuration of the following elements from the given atomic numbers. Answer the following question with explanation.
 4Be, 6C, 8O, 5B, 13Al Which is the most electropositive element among these?


Write down the electronic configuration of the following elements from the given atomic numbers. Answer the following question with explanation.
 11Na, 15P, 17Cl, 14Si, 12Mg Which of these has largest atoms?


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

13Al, 14Si, 11Na, 12Mg, 16S

Which of the above elements has the highest metallic character?


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

 6C, 3Li, 9F, 7N, 8O Which of the above elements has the highest nonmetallic character?


An element has its electron configuration as 2, 8, 2. Now answer the following question. 

With which of the following elements would this element resemble?
(Atomic numbers are given in the brackets)
N(7), Be(4), Ar(18), Cl(17)


_______ is the outermost shell for elements of period 2.


Find the odd one out and give its explanation.


What determines the chemical reactivity of elements?


Match the columns.

Column A Column B
1) s -block a) Lanthanides and actinides
2) p -block b) Group 3 to 12
3) d -block c) Group 1, 2
4) f -block d) Group 13 to 18
  e) Zero group

Match the columns.

Column A Column B
Electronic
configuration
Valency
1) 2, 2 a) 1
2) 2, 8, 1 b) 2
3) 2, 5 c) 3
  d) 5

Match the columns.

Column A Column B
1) Alkaline earth metals a) Group 18
2) Alkali metals b) Group 17
3) Halogen c) Group 2
4) Noble gas d) Group 1
  e) Group 14

The elements lithium and beryllium are in the same period because their valencies are similar.


Write an Explanation.

Group


Complete the following chart.

Shell n 2n2 Electron holding
capacity
K ______ 2 × 12 2
L 2 ______ 8
______ 3 2 × 32 18
N 4 2 × 42 ______

Identify periods of elements and blocks of elements from given electronic configuration?

  1. 2, 8, 2
  2. 2, 8, 7
  3. 2, 1

Make a chart which shows the name of the element, valency, atomic number, electronic configuration in the 2nd row of the modern periodic table and arrange these elements in ascending order of atomic mass.


What is the electronic configuration of K19?


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