MEDIUM
8th ICSE
IMPORTANT
Earn 100

What is the number of valance electrons in helium?

Important Questions on Atomic Structure

MEDIUM
8th ICSE
IMPORTANT
ICSE Chemistry>Chapter 4 - Atomic Structure>CHECK Point>Q 2
What is the number of valence electrons in oxygen?
MEDIUM
8th ICSE
IMPORTANT
ICSE Chemistry>Chapter 4 - Atomic Structure>CHECK Point>Q 2
What is the number of valence electrons in calcium?
MEDIUM
8th ICSE
IMPORTANT
ICSE Chemistry>Chapter 4 - Atomic Structure>CHECK Point>Q 2

What is the number of valence electron in chlorine?

MEDIUM
8th ICSE
IMPORTANT
ICSE Chemistry>Chapter 4 - Atomic Structure>CHECK Point>Q 3

An element X has the atomic number 17.

What is its electronic configuration?
 

EASY
8th ICSE
IMPORTANT
ICSE Chemistry>Chapter 4 - Atomic Structure>CHECK Point>Q 3

An element X has the atomic number 17.

What is the number of valence electrons in its atom?

EASY
8th ICSE
IMPORTANT
ICSE Chemistry>Chapter 4 - Atomic Structure>CHECK Point>Q 3

An element X has the atomic number 17.

Define its valency?

MEDIUM
8th ICSE
IMPORTANT
ICSE Chemistry>Chapter 4 - Atomic Structure>CHECK Point>Q 3

An element X has the atomic number 17.

Is it a metal or non-metal?

MEDIUM
8th ICSE
IMPORTANT
ICSE Chemistry>Chapter 4 - Atomic Structure>CHECK Point>Q 3

An element X has the atomic number 17.
Will it form an anion or a cation?