EASY
Earn 100

The Valency of  Ammonium ion is .

50% studentsanswered this correctly

Important Questions on Structure of The Atom

MEDIUM
Science>Chemistry>Structure of The Atom>Valency
The pair of valencies exhibited by tin(Sn) is
MEDIUM
Science>Chemistry>Structure of The Atom>Valency
Isotopes of an element contains 
HARD
Science>Chemistry>Structure of The Atom>Valency
The half-life of a radioisotope is 4 hours. If the initial mass of the isotope was 200 g, the mass remaining after 24 hours undecayed
MEDIUM
Science>Chemistry>Structure of The Atom>Valency
Valence electron in Cl- ions is 
EASY
Science>Chemistry>Structure of The Atom>Valency
Hydrogen contains three types of atoms (H11 protium, H12 deuterium, H13 tritium). These atoms are
EASY
Science>Chemistry>Structure of The Atom>Valency
A positively charged body has
MEDIUM
Science>Chemistry>Structure of The Atom>Valency
Which one of the following is cation 
EASY
Science>Chemistry>Structure of The Atom>Valency
The number of protons in one atom of an element X is 8. What will be the number of electrons in its ion X-2?
MEDIUM
Science>Chemistry>Structure of The Atom>Valency

The following is the correct decreasing order of the ionic radii- 

EASY
Science>Chemistry>Structure of The Atom>Valency
 Define valency.
EASY
Science>Chemistry>Structure of The Atom>Valency

Give one phrase for the following statement:

Process of formation of ions from molecules which are not in the ionic state.

EASY
Science>Chemistry>Structure of The Atom>Valency
What is the valency of sulphur?
MEDIUM
Science>Chemistry>Structure of The Atom>Valency
Give a reason for the identical chemical properties of isotopes.
MEDIUM
Science>Chemistry>Structure of The Atom>Valency
Isotopes have the same chemical properties but different physical properties. Explain.
MEDIUM
Science>Chemistry>Structure of The Atom>Valency
Oxygen has three isotopes: O16 , O17, O18. How do the atoms of these isotopes differ?
EASY
Science>Chemistry>Structure of The Atom>Valency

The charged species are known as ________.

EASY
Science>Chemistry>Structure of The Atom>Valency
Define valency.
EASY
Science>Chemistry>Structure of The Atom>Valency
Give a reason for different atomic masses of the isotopes of an element.
MEDIUM
Science>Chemistry>Structure of The Atom>Valency
Write brief notes on: isotopes.
EASY
Science>Chemistry>Structure of The Atom>Valency

A Positively charged ion is also called?