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

Chaitan Singh

Asked: October 21, 2020In: Class 10

What were the limitations of Newlands’ Law of Octaves?

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-3

Chaitan Singh

Asked: October 21, 2020In: Class 10

Use Mendeleev’s Periodic Table to predict the formulae for the oxides of the following elements: K, C, AI, Si, Ba.

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-1 Questions No-85

Chaitan Singh

Asked: October 21, 2020In: Class 10

Besides gallium, which other elements have since been discovered that were left by Mendeleev in his Periodic Table? (any two)

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-85 Questions No-2

Chaitan Singh

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

What were the limitations of Döbereiner’s classification?

What were the limitations of Newlands’ Law of Octaves?

Use Mendeleev’s Periodic Table to predict the formulae for the oxides of the following elements: K, C, AI, Si, Ba.

Besides gallium, which other elements have since been discovered that were left by Mendeleev in his Periodic Table? (any two)

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