Answer:
B. the atomic weight of the element
Explanation:
since it talks about mass i think weight
It is either a proton or a neutron
Answer:
this is a oxidation reaction
product is magnesium oxide
the balanced equation is
2Mg + O2 -> 2MgO
The symbol for copper is CU, which means copper cuprum, the Latin word for copper.
I don’t know jsnshanhs shznjs
