Which change in the medium will likely cause the speed of light waves to decrease? Omoving trom a solid to a gas
O moving from a liquid to a gas
O moving from a gas to a liquid
Omoving from a solid to a liquid

with this one i know the answer in craters one reason i looked it up and i learned about it there is my evidence

each chemical family is represented as a group or column on the periodic table. based on chemical properties, there are 6 types of chemical families. group 1 represents alkali metals, group 2 represents alkaline earth metals, groups 3 to 12 represent transition metals, groups 13 to 16 represent non-metals and other metals, group 17 represents halogens and group 18 represents noble gases.