The atomic number of elements P, Q, R, S and T are given. Which is an inert gas?

The atomic number of elements P, Q, R, S and T are given. Which two elements are chemically similar?

The atomic number of elements P, Q, R, S and T are given. Which element among these is a non metal?

The atomic number of elements P, Q, R, S and T are given. Which element belongs to 3rd period of periodic table?

The atomic number of element having pseudo inert gas configuration in it's atomic state is

Which of the following is an inert gas?

The electronic configuration of four elements L, P, Q and R are given below. L- 1s^2 2s^2 2p^4 P- 1s^2 2s^2 2p^6 3s^1 Q- 1^2 2s^2 2p^6 3s^2 3p^5 R- 1s^2 2s^2 2p^6 3s^2 . Which of the following are correct compounds formed by these elements?

The atomic number of an element is 35. what is the total number of electrons present in all the p-orbitals of the ground state atom of that element ?

An atom has electronic configuration 2, 8, 7. (a) What is the atomic number of this element ? (b) To which of the following elements would it be chemically simlar ? (Atomic numbers are given in parentheses.) N(7) F(9) P(15) Ar(18)

What is the atomic number of the element, having maximum number of unpaired 2p electrons? To which group does it belong?

What is the atomic number of the element, having maximum number of unpaired 2p electrons? To which group does it belong?