Last electron in f-block elements goes to: Which shell? Outer shell/PenuItimate shell /Antepenultimate shell

Last electron in f-block elements goes to: Which sub-shell? Outer f-subshell Penultimate f-subshell/Anitepenulti mate f-subskell.

Which elements contains 5 electrons in the outermost shell?

An element has one electron in the 'M' shell. Identify the element.

Which is the element that has 5 p electrons in the outermost shell?

Which sbshell is common to all shells?

Which metal is present in egg shell?

No of electrons present in in the 3rd shell.

Pick out the statements which suits to f block elements. a. All of them are naturally occurring elements. b. Uranium and Thorium are f block elements. c. Last electrons is filled in the shell pre-ceding the outermost shell. d. last electrons are filled up in the antepenultimate shell. e. Includes some radioactive elements. f. Some of them are used as catalyst in petroleum industry.

The electronic configuration of some element are given below Is the number of electrons in the outermost shell of these elements the same as that of the elements in the Table .

Which of the following species has the same number of electrons in the outermost and penultimate shells?