The 4f subshell of an atom contains 12 electrons. What is the maximum number of electrons having same spin in it?

Maximum numbe of electron in a subshell is given by

Which has maximum number of unpaired electrons?

What is the maximum number of electrons present in an electronic shell ?

What is the maximum number of electrons in the outermost shell of an atom ?

The mass number of an element is 18. It contains 7 electrons. What is the number of protons and neutrons in it ? What is the atomic number of the element ?

The mass number of an element is 23 and it contains 11 electrons. What is the number of protons and neutrons in it ? What is the atomic number of the element ?

What is the maximum number of electrons that can go into the N shell of an atom ?

Which have maximum number of unpaired electrons Br or Br-

Which have maximum number of unpaired electrons Cu or F.