Answer:
the ion will have additional 2 electrons so it will be 18
Watt stands for power that is energy per unit time
I would say D. Let me know if i am wrong.
Experiments suggest that organic molecules could have been synthesized in the atmosphere of early Earth and rained down into the oceans. RNA and DNA molecules — the genetic material for all life — are just long chains of simple nucleotides. Replicating molecules evolved and began to undergo natural selection.