Answer:
It's compound? It's chemical compound would be represented my letters or numbers
Answer:
that not of i grade sorry
Explanation:
The Curies discovered radium
The percentage of CO2 increased 48 percent. Hope this helped!
Excuse me not giving an explanation; I haven't even learned chemistry before. I usually give explanations for math/english.
I think it would be for flourine: 7
aluminum: 8
can't help with the rest...
sorry!
