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

Write information about the given atomic numbers in the table. Atomic Number 10 20 7 Electronic configuration Group Period Element

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प्रश्न

Write information about the given atomic numbers in the table.

Atomic Number Electronic configuration Group Period Element
10        
20        
7        
तक्‍ता पूर्ण करा
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उत्तर

Atomic Number Electronic configuration Group Period Element
10 2, 8 18 2 Neon (Ne)
20 2, 8, 8, 2 2 4 Calcium (Ca)
7 2, 5 15 2 Nitrogen (N)
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पाठ 2: Periodic Classication of Element - Answer the Following [पृष्ठ ३४]

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एससीईआरटी महाराष्ट्र Science and Technology Part 1 [English] Standard 10 Maharashtra State Board
पाठ 2 Periodic Classication of Element
Answer the Following | Q 6. | पृष्ठ ३४

संबंधित प्रश्‍न

Why is the size of sodium is greater than magnesium?


Which is greater in size Fe2+ or Fe3+?


Size of atom progressively becomes smaller when we move from sodium (Na) to chlorine (CI) in the third period of the periodic table?


Fill in the blank:

On moving across a period from right to left in the periodic table, the atomic size of the atom ___________.


Write the name and symbol of the element from the description.

The atom having the smallest atomic mass.


Among the elements of the second period, Li to Ne, pick out the element with the largest atomic size


Fill in the blank by selecting the correct word from the bracket.
If an element has seven electrons in its outermost shell then it is likely to have the _____ atomic size among all the elements in the same period.


Carbon belongs to the second period and Group 14. Silicon belongs to the third period and Group 14. If the atomic number of carbon is 6, the atomic number of silicon is ______


Which of the following is the correct order of atomic size? 


Which of the following is the correct order of size?


Which of the following gives the correct increasing order of the atomic radii of O, F and N?


Which of the following are the characteristics of isotopes of an element?

  1. Isotopes of an element have same atomic masses
  2. Isotopes of an element have same atomic number
  3.  Isotopes of an element show same physical properties
  4. Isotopes of an element show same chemical properties

Atomic number of a few elements are given below
10, 20, 7, 14

  1. Identify the elements
  2. Identify the Group number of these elements in the Periodic Table
  3. Identify the Periods of these elements in the Periodic Table
  4. What would be the electronic configuration for each of these elements?
  5. Determine the valency of these elements

The diagram below shows part of the periodic table.

  1. Which elements would react together to form covalent compounds?
  2. Between the two elements W and Z, which will have a bigger atomic radius? Why?


An element with the largest atomic radius among the following is ______.


In Period 3 of the Periodic Table, element B is placed to the left of element A. On the basis of this information, choose the correct word from the option to complete the following statement:

The element A would have ______ atomic size than B.


Which one has the largest size?


Give reason for the following:

The size of a Cl− ion is greater than the size of a Cl atom.


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