Tiwari Academy Discussion

Asked: October 21, 2020In: Class 10

Which element has

NCERT Solution for Class 10 Science Chapter 5 Periodic Classification of Elements NCERT Books for Session 2022-2023 CBSE Board and UP Board Intext Questions Page No-91 Questions No-3 (a) two shells, both of which are completely filled with electrons? (b) the ...

Yashi mukherjee

Asked: October 21, 2020In: Class 10

What property do all elements in the same column of the Periodic Table as boron have in common ?

NCERT Solution for Class 10 Science Chapter 5 Periodic Classification of Elements NCERT Books for Session 2022-2023 CBSE Board and UP Board Exercises Questions Page No-91 Questions No-4 Part 1

Yashi mukherjee

Asked: October 21, 2020In: Class 10

What property do all elements in the same column of the Periodic Table as fluorine have in common?

NCERT Solution for Class 10 Science Chapter 5 Periodic Classification of Elements NCERT Books for Session 2022-2023 CBSE Board and UP Board Exercises Questions Page No-91 Questions No- 4 Part-2

Yashi mukherjee

Asked: October 21, 2020In: Class 10

An atom has electronic configuration 2, 8, 7. What is the atomic number of this element?

NCERT Solution for Class 10 Science Chapter 5 Periodic Classification of Elements NCERT Books for Session 2022-2023 CBSE Board and UP Board Exercises Questions Page No-91 Questions No-5

Deepak joshi

Asked: October 21, 2020In: Class 10

Nitrogen (atomic number 7) and phosphorus (atomic number 15) belong to group 15 of the Periodic Table. Write the electronic configuration of these two elements. Which of these will be more electronegative? Why?

NCERT Solution for Class 10 Science Chapter 5 Periodic Classification of Elements NCERT Books for Session 2022-2023 CBSE Board and UP Board Exercises Questions Page No-92 Questions No-7

Deepak joshi

Asked: October 21, 2020In: Class 10

How does the electronic configuration of an atom relate to its position in the Modern Periodic Table?

NCERT Solution for Class 10 Science Chapter 5 Periodic Classification of Elements NCERT Books for Session 2022-2023 CBSE Board and UP Board Exercises Questions Page No-92 Questions No-8

Deepak joshi

Asked: October 21, 2020In: Class 10

In the Modern Periodic Table, calcium (atomic number 20) is surrounded by elements with atomic numbers 12, 19, 21 and 38. Which of these have physical and chemical properties resembling calcium?

NCERT Solution for Class 10 Science Chapter 5 Periodic Classification of Elements NCERT Books for Session 2022-2023 CBSE Board and UP Board Exercises Questions Page No-92 Questions No-9

Deepak joshi

Asked: October 21, 2020In: Class 10

Compare and contrast the arrangement of elements in Mendeléev’s Periodic Table and the Modern Periodic Table.

NCERT Solution for Class 10 Science Chapter 5 Periodic Classification of Elements NCERT Books for Session 2022-2023 CBSE Board and UP Board Exercises Questions Page No-92 Questions No-10

Chaitan Singh

Asked: October 21, 2020In: Class 10

Did Döbereiner’s triads also exist in the columns of Newlands’ Octaves? Compare and find out.

NCERT Solution for Class 10 Science Chapter 5 Periodic Classification of Elements NCERT Books for Session 2022-2023 CBSE Board and UP Board Intext Questions Page No-81 Questions No-1

Chaitan Singh

Asked: October 21, 2020In: Class 10

What were the limitations of Döbereiner’s classification?

NCERT Solution for Class 10 Science Chapter 5 Periodic Classification of Elements NCERT Books for Session 2022-2023 CBSE Board and UP Board Intext Questions Page No-81 Questions No-2

Which element has

What property do all elements in the same column of the Periodic Table as boron have in common ?

What property do all elements in the same column of the Periodic Table as fluorine have in common?

An atom has electronic configuration 2, 8, 7. What is the atomic number of this element?

Nitrogen (atomic number 7) and phosphorus (atomic number 15) belong to group 15 of the Periodic Table. Write the electronic configuration of these two elements. Which of these will be more electronegative? Why?

How does the electronic configuration of an atom relate to its position in the Modern Periodic Table?

In the Modern Periodic Table, calcium (atomic number 20) is surrounded by elements with atomic numbers 12, 19, 21 and 38. Which of these have physical and chemical properties resembling calcium?

Compare and contrast the arrangement of elements in Mendeléev’s Periodic Table and the Modern Periodic Table.

Did Döbereiner’s triads also exist in the columns of Newlands’ Octaves? Compare and find out.

What were the limitations of Döbereiner’s classification?

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