How many bonds can a hydrogen atom form?
O A. 3
O B. 1
O c. 4
O D. 2

List four observations that indicate that a chemical reaction may be taking place

Ill give u brainliest pls how is mass of carbon conserved during cellular respiration

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.