Urine has a ph range of 5.5 to 6.9, so its h3o+ concentration should not exceed what value

Which atom or ion is the largest? a. k b. k+ c. ca d. ca2+ e. li

Which statement are accurate about snow flakes

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.