Tiwari Academy Discussion

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

Yashi mukherjee

Asked: October 21, 2020In: Class 10

Lithium, sodium, potassium are all metals that react with water to liberate hydrogen gas. Is there any similarity in the atoms of these elements?

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- 4 Part-1

Yashi mukherjee

Asked: October 21, 2020In: Class 10

Helium is an unreactive gas and neon is a gas of extremely low reactivity. What, if anything, do their atoms 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 Intext Questions Page No-90 Questions No-4 Part 2

Yashi mukherjee

Asked: October 21, 2020In: Class 10

In the Modern Periodic Table, which are the metals among the first ten elements?

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-5

Yashi mukherjee

Asked: October 21, 2020In: Class 10

By considering their position in the Periodic Table, which one of the following elements would you expect to have maximum metallic characteristic? Ga Ge As Se Be

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-6

Poll

Yashi mukherjee

Asked: October 21, 2020In: Class 10

Which of the following statements is not a correct statement about the trends when going from left to right across the periods of 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-91 Questions No-1

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.

Lithium, sodium, potassium are all metals that react with water to liberate hydrogen gas. Is there any similarity in the atoms of these elements?

Helium is an unreactive gas and neon is a gas of extremely low reactivity. What, if anything, do their atoms have in common?

In the Modern Periodic Table, which are the metals among the first ten elements?

By considering their position in the Periodic Table, which one of the following elements would you expect to have maximum metallic characteristic? Ga Ge As Se Be

Which of the following statements is not a correct statement about the trends when going from left to right across the periods of periodic Table.

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