Pls brainlest alpha centuri is 4 light years from earth. how long would it take for light from alpha centuri to reach? a) 4 earth years b) 4 earth months c) 4 earth weeks d) 4 earth days

From the options provided for each element below, choose the properties that it may have based on its location in the periodic table fluorine (f): highly reactive nonmetal shiny a conductor