Answer:
True
Explanation:
Hydrogen has three naturally occuring isotopes and copper has two.
5 g is bigger than 43 mg.
I hope this is right, I apologize if I'm wrong.
Answer:
<em>One mole of anything is 6.022×1023 everythings, including atoms. Multiply the moles Fe by 6.022×1023 atoms/mol. 3.77mol Fe ×6.022×1023atoms Fe1mol Fe =2.27×1024 atoms Fe rounded to three significant figures.</em>
