Fe O
2 3 is what i would put
Answer:
think it helps you
<h2>
Explanation:</h2>
<em><u>The statement “the scientific process is open ended” means: Would an element with 7 valence electrons be more or less reactive than an element with 3 valence electrons? Element 1 is a hard dark-red solid</u></em>
The answer would be periods 6-7 :)
<span>Eukaryotic cells contain organelles that perform specialised functions.</span>