They are called groups or family. Hope this helps
Density= Mass/Volume I am positive I just had an assignment on this
Answer:
Hey!
Your answer is Calcium Phosphate!
Explanation:
It is the substance/mineral that is mostly found in our teeth and bones!
HOPE THIS HELPS!!
You can tell if each side of the equation has the same molar mass.
(3 grams of carbon) x (1 mole of carbon/12 grams ) =3/12 = 1/4 of a mole of carbon. Then... ( 1/4 of a mole) x (6.02 x 10^23 atoms/mole) = approximately 1.5 x 10^23 atoms.
