Which of the following is not considered a branch of chemistry?

geo

physical

astronomy

materials

2. how is heavy water different from normal water

This flow chart shows the amount of energy that is emitted by each type of light. ultraviolet > blue light > yellow light > red light (maximum energy) (minimum energy) in an experiment, shining which type of light on a strip of metal would be least likely to produce the photoelectric effect? ultraviolet light dim blue light bright red light bright yellow light

Asubstance is a good conductor of electricity which of the following best explains a probable position of the substance in a periodic table