Find the neutral atom in the periodic table which has the same number of electrons as `K^(+)` and `Cl^(-)` . What is this number?

The species that has the same number of electrons as ""_(17)^(35)Cl is

Find out the period and group of the element in the periodic table with atomic number 14.

Compare the radii of K^(+) and Cl^(-) ions (each contain the same number of electron).

A neutral atom has 2k, 8L, 8M and 2N electrons. Find out the total number of s-electron.

(a). The atomic number of sodium is 11. What is the number of electrons in Na^(+) ? (b). The atomic number of chlrine is 17. What is the number of electrons in Cl^(-) ?