If your out-of-state license has been expired for more than one year but less than four years, you will be required to take a written test. If your license has been expired for more than four years, you will need to take a written and road test, as well as a vision exam. Keep in mind that if you later move within Massachusetts, you must report your change of address to the RMV within 30 days.
Chlorine is the second element in the seventeenth column of the periodic table. It is classified as a member of the halogen group. It has 17 electrons and 17 protons with 7 valence electrons in the outer shell. It is about the twentieth most abundant element in the Earth's crust. Characteristics and Properties.
All atoms of chlorine (Cl) have 17 protons, but there are chlorine isotopes having 15 to 23 neutrons. Only two chlorine isotopes exist in significant amounts in nature, those with 18 neutrons (75.53% of all chlorine atoms found in nature), and those with 20 neutrons (24.47%).