Compared to a 1.0-gram sample of chlorine gas at standard pressure, a 1.0-gram sample of solid aluminum at standard pressure has

During chemistry class, carl performed several lab tests on two white solids. the results of three tests are seen in the data table. based on this data, carl has concluded that substance b must have bonds.

Achange in the number of neutrons in an atom will change an blank . when the number of protons changes in an atom, a new element will form.

The number at the end of an isotope’s name is the number.