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 is a chemical element with symbol Cl and atomic number 17. It also has a relative atomic mass of 35.5. Chlorine is in the halogen group (17) and is the second lightest halogen following fluorine.The element is a yellow-green gas under standard conditions, where it forms diatomic molecules.Chlorine has the highest electron affinity and the third highest electronegativity of all the reactive elements.he most common compound of chlorine, sodium chloride, has been known since ancient times; archaeologists have found evidence that rock salt was used as early as 3000 BC and brine as early as 6000 BC. Around 1630, chlorine was recognized as a gas by the Flemish chemist and physician Jan Baptist van Helmont.