MEDIUM
AP EAPCET
IMPORTANT
Earn 100
Choose the correct option regarding the following statements:
StatementNitrogen has lesser electron gain enthalpy than oxygen.
Statement Oxygen has lesser ionization enthalpy than nitrogen.
50% studentsanswered this correctly
Important Questions on Classification of Elements and Periodicity in Properties
EASY
AP EAPCET
IMPORTANT
The electronegativity of the given elements increases in the order
EASY
AP EAPCET
IMPORTANT
The first ionization enthalpies of and can be expected to be
EASY
AP EAPCET
IMPORTANT
How many of the following statements is/are correct?
a) Mercury is the only metal that exists as liquid at room temperature.
b) Among non-metals, carbon has the highest melting point.
c) Hydrogen is the most abundant element in the universe.
d) Oxygen is the most abundant element in the earth's crust.
EASY
AP EAPCET
IMPORTANT
The element with maximum bond-energy
EASY
AP EAPCET
IMPORTANT
Which of the following does not exist?
MEDIUM
AP EAPCET
IMPORTANT
To which group of the periodic table does an element having electronic configuration belong?
MEDIUM
AP EAPCET
IMPORTANT
The electron configuration of is (atomic number of )
MEDIUM
AP EAPCET
IMPORTANT
The element with outer electronic configuration , where , would belong to
