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.
It is the second most common halogen on Earth. The element itself is the 21st most common element, at about 170 parts per million. It took almost 200 years from the discovery of chlorine gas for it to become recognized as an element.Sodium chloride is the most common compound of chlorine, and it is abundant on Earth, especially in seawater.Chlorine in its pure form is yellowish-green, but its common compounds are typically colorless.t took almost 200 years from the discovery of chlorine gas for it to become recognized as an element. Sodium chloride is the most common compound of chlorine, and it is abundant on Earth, especially in seawater.