19,000+ solved questions for JEE Advanced, JEE Mains, NEET & IChO — with answers and expert explanations.
Beryllium has …A… Property from rest of alkaline earth metals and show diagonal relationship with …B… Here, A and B refer to
The formula of soda ash is
A 70 Kg man contain about …X… of Na and …Y… of K. here, X and Y refer to
Sodium ions found primarily in which part of human body?
Assertion (A): The compounds of alkaline earth metals are more extensively hydrated than those of alkali metal. Reason (R): This is due to low hydration energy of alkaline earth metal as compared to alkali metal.
The low melting point of alkali is due to
Which of the following ion is most abundant within cell fluid?
Which of the following is not an alkaline earth metal?
…A… has maximum degree of hydration. Here, A refers to
The ionization enthalpies of alkali metals are considerably
The correct decreasing order of ionization enthalpy in alkali metals is
Which of the following metal salt is mostly hydrated?
Atomic and ionic radii of alkali metals …X… on moving down the group. Here, X refer to
Alkali metals readily …X… electron to give monovalent M+ ion. Here, X refer to
All alkaline metals have …A… valence electrons(s). Here, A refer to
Alkali metals have …X… size in a particular period. Here, X refer to
Which of the following shows diagonal relationship?
The diagonal relationship of elements arises due to the similarity in
Monovalent ions are …A…than parent atom. Here, A refers to
Alkali metals show regular trend in their physical and chemical properties with the
Which of the following choice(s) represents(s) physical properties of alkali metals?
Group II elements with exceptions of beryllium are known as alkaline earth metals. These are so called because their …A…and …B… are alkaline in nature. Here, A and B refer to
Among the alkali metals …A and …B… are relatively more abundant in nature. Here A and B refer to
s-subshell can accommodate maximum number of
Which of the following does not belong to alkaline earth metal?