How do you know if a reaction is exothermic include a example

According to periodic trend, which of the following most likely has the highest ionization energy? kr be ni sc

What are the 4 phases of matter in order of increasing engery content?

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