Which of the following statements is incorrect about atoms? a. Atoms are electrically neutral
b. Atoms are in possession of same number of electrons and protons
c. The number of electrons is not equal to the number of protons in an ion
d. All atoms can lose or gain electrons to form ions

What are the first two quantum numbers for the electrons located in subshell 4d? what are the first three quantum numbers for the electrons located in subshell 2s? how many electrons can be held in a sublevel l = 3? how many electrons can be held in the energy level n = 4? how many electrons in an atom can share the quantum numbers n = 4 and l = 3?