Amit Bhandari

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 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

Asked: October 21, 2020In: Class 10

What were the criteria used by Mendeleev in creating his 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 Intext Questions Page No-85 Questions No-3

Chaitan Singh

Asked: October 21, 2020In: Class 10

Why do you think the noble gases are placed in a separate group?

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-4

Chaitan Singh

Asked: October 21, 2020In: Class 10

How could the Modern Periodic Table remove various anomalies of Mendeléev’s 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 Intext Questions Page No-90 Questions No-1

Chaitan Singh

Asked: October 21, 2020In: Class 10

Name two elements you would expect to show chemical reactions similar to magnesium. What is the basis for your choice?

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-90 Questions No-2

Chaitan Singh

Asked: October 21, 2020In: Class 10

Name three elements that have a single electron in their outermost shells.

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 Part 1

Chaitan Singh

Asked: October 21, 2020In: Class 10

Name two elements that have two electrons in their outermost shells.

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-90 Questions No- 3 Part 2

Amit Bhandari

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

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)

What were the criteria used by Mendeleev in creating his Periodic Table?

Why do you think the noble gases are placed in a separate group?

How could the Modern Periodic Table remove various anomalies of Mendeléev’s Periodic Table?

Name two elements you would expect to show chemical reactions similar to magnesium. What is the basis for your choice?

Name three elements that have a single electron in their outermost shells.

Name two elements that have two electrons in their outermost shells.

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