Answer:
:)
Explanation:
The nucleus in biology is usually referring to that of
living cells found in organisms in which contains DNA whereas the nucleus in chemistry is usually referring to that of atoms in which contains subatomic particles such as the proton and neutron.
Answer:
the law of conservation of matter.
Explanation:
I am in chem
Answer:
I think its iron(II) oxide
Explanation:
The substance is black but when it's mixed with water it turns green solution so when mixed with sodium Hydroxide it turns green