The atomic number of boron is 5. what is the mass number of a boron atom with 4 neutrons?

100mg magnesium reacts with 20ml of 1.0m hcl

Which statements are true about electrolysis? check all that apply. electrolysis requires an acid be present. electrolysis is described by two half-reactions. electrolysis is not an industrial process. electrolysis results in commercially valuable products. electrolysis involves the transfer of electrons. reduction results in the loss of electrons. oxidation results in the loss of electrons.

What term is missing from the central region that describes hypotheses, theories, and laws? popular predictable mathematical falsifiable