The sand to pass through, but not the gravel. Hope this helps!
Answer:
66 grams
Explanation:
For every 1 gram of NH4NO3 equals 2 grams of water
Protactinium
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When the little fish die they sink to the bottom, and after time the skeletons build up on top of each other.
<span>No. Zn can only have oxidation states of 1+ or 2+. For this compound to be able to exist, the Zn would have to have an oxidation state of 2- to counteract the 2+ from the 2 sodium ions. Sodium ions each have a +1 charge, so the 2 sodium ions would carry a +2 charge. In order for the compound to exist, the net charge between the 2 sodium and 1 zinc atoms would need to be 0.</span>
