What is the charge and position of of the neutron within the atom? neutral charge; spinning on the outside of the atom negative charge; found within the nucleus positive charge; spinning on the outside of the atom positive charge; found within the nucleus

The atomic radius of sodium is 186 pm and of chlorine is 100 pm. the ionic radius for na+ is 102 pm and for cl– is 181 pm. in going from na to cl in period 3, why does the atomic radius decrease while the ionic radius increases? a. the inner electrons in the sodium cation shield its valence electrons more effectively than the inner electrons in the chloride anion do. b. the inner electrons shield the valence electrons more effectively in the chlorine atom than in the chloride anion. c. the outermost electrons in chloride experience a smaller effective nuclear charge than those in the sodium cation do. d. the outermost electrons in chloride experience a larger effective nuclear charge than those in the sodium cation do. e. monatomic ions are bigger than the atoms from which they are formed.

The atomic number, or number, is the described as the number of in the nucleus of an chemical element.

To calculate percent by mass, use the equation below: calculate the percent by mass of each element. %n = % %h = % %o = %