Will give brainliest! 30 points! which of the following elements has properties different than the rest? k na mg s

Sulfur, by far. Potassium and Sodium are in the same group and have similar properties. Magnesium is in a different group but it's still a metal and fairly reactive. Meanwhile, Sulfur is wy across the periodic table and has very different properties.

Hope this helped! :)

False, as a substance changes from a solid to a liquid and from a liquid to a gas the molecules get farther apart from each other

No. an alpha particle is a pair of protons and a pair of neutrons, i.e. a helium