Bhavna

Asked: December 18, 2020In: Class 10 Science

Four elements P,Q,R and S have atomic number 12,13,14 and 15 respectively. Answer the following: (a) what is the valency of Q? (b) Classify these elements as metals and no-metals. (c) Which of these elements will form the most basic oxide?

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: 8

Chemistry 10 Sir

Asked: December 18, 2020In: Class 10 Science

How does the atomic size vary as we go down a group and move left to right in a period? Write the reason behind it.

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: 7

Chemistry Solution Teacher

Asked: December 18, 2020In: Class 10 Science

What is methane Draw the election dot structure. Name the type of bond formed in this compound they one such compounds-

NCERT Solutions for Class 10 Science Chapter 4 Important Board Questions Carbon and its Compounds NCERT Books for Session 2022-2023 CBSE Board and UP Board Long Type Question Questions No: 4

Poll

Chemistry 10 Sir

Asked: December 18, 2020In: Class 10 Science

Across period, Atomic size decreases due to

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 Multiple Choice Question Questions No: 3

Chemistry Solution

Asked: December 18, 2020In: Class 10 Science

Name the non-metal that is used in rocket as fuel.

NCERT Solutions for Class 10 Science Chapter 3 Important Board Questions Metals and Non-Metals NCERT Books for Session 2022-2023 CBSE Board and UP Board Very Short Type Question Questions No: 3

Bhavna

Four elements P,Q,R and S have atomic number 12,13,14 and 15 respectively. Answer the following: (a) what is the valency of Q? (b) Classify these elements as metals and no-metals. (c) Which of these elements will form the most basic oxide?

How does the atomic size vary as we go down a group and move left to right in a period? Write the reason behind it.

What is methane Draw the election dot structure. Name the type of bond formed in this compound they one such compounds-

Across period, Atomic size decreases due to

Name the non-metal that is used in rocket as fuel.

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