Which of the following are forms that chemical hazards can be in?

Consider the nuclear equation below. 239/94 pu—-> x+ 4/2 he. what is x?

According to coulomb's law, how would the electrical force between particles change if the product of their electrical charge increased?

Three cards with holes are arranged in a straight line. a light is shined through the first card’s hole and travels through all three cards. what does this tell you about light rays? a) that light is reflected b) that light is refractive c) that light travels in a straight line d) that light does not travel in a straight line