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

Which among the following elements would lose an electron easily?

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प्रश्न

Which among the following elements would lose an electron easily?

पर्याय

  • Mg

  • Na

  • Al

  • Cl

MCQ
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उत्तर

Na

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

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.
 4Be, 6C, 8O, 5B, 13Al Which is the most electropositive element among these?


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

What is the group of this element?


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)


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


Which among the following is the largest element?


Find the odd one out and give its explanation.


Find the odd one out and give its explanation.


Write the name of an element having electronic configuration 2,8,2.


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

Write the name.

The element having stable electron configuration from the third period.


The valency of the elements in group 2 is 1.


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


Write an Explanation.

Group


Write scientific reason.

Boron and oxygen elements are placed in the second period in periodic table.


Write name of elements, symbol, atomic number, electronic configuration of second period in modern periodic table?


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. X and Y belongs to which of the following: metals, nonmetals or metalloids?
  3. From which block the elements X and Y are?
  4. Determine the electronic configuration and valency of these elements.

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.


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