There are a total of 4 elements
They aren't actually placed into the atom, they surround it in the "electron cloud" but if you add electrons, the charge of your atom becomes negative. If your remove them, the charge becomes positive
mitochondria
im not 100% sure but it makes sense
Answer:
(a) 16500 grams
(b) 16500000 milligrams
(c) 16500000000 micrograms
