Leading zeros
Captive zeros
Trailing zeros
D. I or Iodine
This is because they are both in the same periodic family (the halogens) and thus the number of valence electrons are the same
This compound is also known as Barium Carbonate. 1 mole is equal to 1 moles BaCO3, or 197.3359<span> grams.</span>
Answer:
you divide 71.5 by 2
Explanation:
it's may look intimidating but the question is actually really simple.
<span>There is more energy and the particles are closer together.</span>
