MEDIUM
Earn 100

Give reasons for the following : 

Noble gases show least reactivity. 

Important Questions on Structure of The Atom

EASY
Science>Chemistry>Structure of The Atom>Valency
An element is considered as non-metal, if it has in its valence shell:
MEDIUM
Science>Chemistry>Structure of The Atom>Valency
Define valency by taking examples of silicon and oxygen. 
EASY
Science>Chemistry>Structure of The Atom>Valency
What type of electronic configuration corresponds to chemical non-reactivity of elements?
EASY
Science>Chemistry>Structure of The Atom>Valency
The non-metal with one valence electron is:
EASY
Science>Chemistry>Structure of The Atom>Valency
The valency of phosphorus P1531 a non-metal is:
EASY
Science>Chemistry>Structure of The Atom>Valency
Each element tends to complete _____ electrons in its outermost shell is:
EASY
Science>Chemistry>Structure of The Atom>Valency
Helium atom has 2 electrons in its valence shell but its valency is not 2. Explain.
MEDIUM
Science>Chemistry>Structure of The Atom>Valency

How will you find the valency of chlorine? 

EASY
Science>Chemistry>Structure of The Atom>Valency
The noble gas having 2 valence electrons is:
EASY
Science>Chemistry>Structure of The Atom>Valency
Define valency. 
EASY
Science>Chemistry>Structure of The Atom>Valency
The valency of metal aluminium Al1327 is:
EASY
Science>Chemistry>Structure of The Atom>Valency
The valency of chlorine Cl1735 which is a non-metal is:
EASY
Science>Chemistry>Structure of The Atom>Valency
Maximum number of electrons that outermost shell can accommodate is:
EASY
Science>Chemistry>Structure of The Atom>Valency
If Z = 3, what would be the valency of the element? Also name the element. 
EASY
Science>Chemistry>Structure of The Atom>Valency
The atomic number of an element is 14. State the number of valence electrons in its atom. What is the valency of the element?
EASY
Science>Chemistry>Structure of The Atom>Valency
What is understood by the following statement? The valency of noble gas is zero.
MEDIUM
Science>Chemistry>Structure of The Atom>Valency
How will you find the valency of sulphur?
MEDIUM
Science>Chemistry>Structure of The Atom>Valency
How will you find the valency of magnesium? 
EASY
Science>Chemistry>Structure of The Atom>Valency
Valence electrons are the electrons present in the:
EASY
Science>Chemistry>Structure of The Atom>Valency
The general name of elements having 8 valence electrons is: