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.
Chlorine was given its name in 1810 by Humphry Davy, who insisted that it was in fact an element. The pure chemical element has the physical form of a diatomic green gas. The name chlorine is derived from chloros, meaning green, referring to the color of the gas.t combines with inorganic material in water to form chloride salts, and with organic material in water to form chlorinated organic chemicals. Because of its reactivity chlorine is not likely to move through the ground and enter groundwater.