:
Atom A
ATOMB
red) (i) ?
which atom has an atomic number of 3?

For ai it's atomic number is 13 and it's mass number is 27 how many neutrons does it have

2. how is heavy water different from normal water

|using the periodic tablewarm-upuse the periodic table in the tools bar to answer the following questions. what elemental classification does oxygen belongto? done