Is water wet? I have wondered my entire life and i think I need the debate to be settled.

If you touch a hot light bulb and get burned, that is an example of a. radiation b. convection c. conduction

You are given a vector a = 125i and an unknown vector b that is perpendicular to a. the cross-product of these two vectors is a × b = 98k. what is the y-component of vector b?

Achlorine atom has 17 protons and 18 neutrons. what is its mass number? what is its atomic number?