Need help with these two, solve only the ones you can though :D

Neils bohr believed that electrons orbited the nucleus in different energy levels, based on strong support from

Which of the following signs of a chemical reaction are observed in the reaction of potassium with water? precipitate formed temperature change smell produced gas produced color change

What woukd most likely be the transmittance at a 0.70 m solution of solute a? a) 7.6%b) 1.1%c)4.0%d)4.6%