Cl atom has____electrons in its outermost shell.

An element is present in the third period of p-block. It has 5 electrons in its outermost shell. Predict its group. How many unpaired electrons does it have?

Select the pair of atoms having the same no. of electrons in their outermost shell-

Write the values of the four quantum numbers of the electron(s) in the outermost shell of Cr-atom.

Which of the following species have the same number of electrons in its outermost as well as penultimate shell ?

Write down the values of four quantum numbers of the electron in the outermost shell of sodium.

Which of the following pair of elements have same number of electron in their outermost shell (1)Na ,Sr (2) Se , Te (3)Mn , Fe (4) As, Bi

Give the electronic configuration of the outermost shell of lanthanides.

Element A has two electrons in its valence shell and its principle quantum number for last electron is 2 element B has four electrons in its valence shell and its principle quantum number for lastb electron is 2 element X has threee electrons in its valence shell and principle quantum number for last electron is 3 compounds XB and AB on hydrolysis give