Which of the following choices represents elements with the most similar chemical properties. *
N, OF
F, CI, Br

50 pts plz what is the physical state of matter of baking soda.

Which statement best summarizes the importance of ernest rutherford’s gold foil experiment? it proved that all of john dalton’s postulates were true. it verified j. j. thomson’s work on the atomic structure. it showed that an electron circles a nucleus in a fixed-energy orbit. it showed that a nucleus occupies a small part of the whole atom.

Exit what is the density of an object having a mass of 5.0 g and a volume of 45.0 cm3?