Chemistry 10 Sir

Asked: December 18, 2020In: Class 10 Science

Write two limitations of Mendeleev’s Periodic Table.

NCERT Solutions for Class 10 Science Chapter 5 Important Board Questions Periodic Classification of Elements NCERT Books for Session 2022-2023 CBSE Board and UP Board Short Question Questions No: 3

Chemistry 10 Sir

Asked: December 18, 2020In: Class 10 Science

Why He, Ne and are called inert gases?

NCERT Solutions for Class 10 Science Chapter 5 Important Board Questions Periodic Classification of Elements NCERT Books for Session 2022-2023 CBSE Board and UP Board Short Question Questions No: 2

Chemistry 10 Sir

Asked: December 18, 2020In: Class 10 Science

How does the tendency to lose electrons change in a group and why?

NCERT Solutions for Class 10 Science Chapter 5 Important Board Questions Periodic Classification of Elements NCERT Books for Session 2022-2023 CBSE Board and UP Board Short Question Questions No: 1

Chemistry 10 Sir

Asked: December 18, 2020In: Class 10 Science

Why properties of elements are different of same period?

NCERT Solutions for Class 10 Science Chapter 5 Important Board Questions Periodic Classification of Elements NCERT Books for Session 2022-2023 CBSE Board and UP Board Very Short Question Questions No: 17

Chemistry 10 Sir

Asked: December 18, 2020In: Class 10 Science

How many rows and columns are there in modern periodic table?

NCERT Solutions for Class 10 Science Chapter 5 Important Board Questions Periodic Classification of Elements NCERT Books for Session 2022-2023 CBSE Board and UP Board Very Short Question Questions No: 16

Chemistry 10 Sir

Asked: December 18, 2020In: Class 10 Science

Name the elements and its valency having electronic configuration 2,8,3.

NCERT Solutions for Class 10 Science Chapter 5 Important Board Questions Periodic Classification of Elements NCERT Books for Session 2022-2023 CBSE Board and UP Board Very Short Question Questions No: 15

Chemistry 10 Sir

Asked: December 18, 2020In: Class 10 Science

State Modern Periodic law.

NCERT Solutions for Class 10 Science Chapter 5 Important Board Questions Periodic Classification of Elements NCERT Books for Session 2022-2023 CBSE Board and UP Board Very Short Question Questions No: 14

Chemistry 10 Sir

Asked: December 18, 2020In: Class 10 Science

Elements A has atomic no.16: (a) Name of the elements. (b) Physical state. (c)Compounds with hydrogen (d) Metal or non-metal (e) Nature and formula with oxides.

NCERT Solutions for Class 10 Science Chapter 5 Important Board Questions Periodic Classification of Elements NCERT Books for Session 2022-2023 CBSE Board and UP Board Short Question Questions No: 2

Chemistry 10 Sir

Asked: December 18, 2020In: Class 10 Science

Write down five major differences between Mendeleev periodic table and Modern periodic table.

NCERT Solutions for Class 10 Science Chapter 5 Important Board Questions Periodic Classification of Elements NCERT Books for Session 2022-2023 CBSE Board and UP Board Short Question Questions No: 1

Chemistry 10 Sir

Asked: December 18, 2020In: Class 10 Science

What are metalloids? Write two names.

NCERT Solutions for Class 10 Science Chapter 5 Important Board Questions Periodic Classification of Elements NCERT Books for Session 2022-2023 CBSE Board and UP Board Short Question Questions No: 11

Chemistry 10 Sir

Write two limitations of Mendeleev’s Periodic Table.

Why He, Ne and are called inert gases?

How does the tendency to lose electrons change in a group and why?

Why properties of elements are different of same period?

How many rows and columns are there in modern periodic table?

Name the elements and its valency having electronic configuration 2,8,3.

State Modern Periodic law.

Elements A has atomic no.16: (a) Name of the elements. (b) Physical state. (c)Compounds with hydrogen (d) Metal or non-metal (e) Nature and formula with oxides.

Write down five major differences between Mendeleev periodic table and Modern periodic table.

What are metalloids? Write two names.

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