Define the following: Atomic number

If atomic number of an inert gas is Z then an element with which of the following atomic number will has highest I.E.

Which of the following has maximum number of atoms?

Which one of the following has maximum number of atoms?

Which of the following sets of atomic numbers corresponds to elements of group 16?

Which of the following sets of atomic numbers belongs to that of alkali metals?

Which of the following contains atomic number of only s-block

Through which of the following reactions number of carbon atoms can be increased in the chain ?

Define the following terms : (a) atomic number, and (b) mass number.

Define the term - 'atomic number of an atom. If an atom 'A' has an atomic number of - eleven, state the number of protons & electrons it contains.

Which among the following has highest number of atoms?