What is one word describing Ions, Isotopes, and atoms?
and what is one example for each term?

Based on the law of conservation of energy, which statement is false? answer- energy is lost when machines dont work right

Nuclear fusion is the source of energy for stars. besides hydrogen, which other element is most likely also common in stars?

The chemical equation below shows the reaction of sodium (na) and chlorine (cl) to form sodium chloride (nacl). 2na + cl2 → 2nacl in this equation, which of the following is a reactant? i. sodium ii. chlorine iii. sodium chloride