Which ion was formed by providing the second ionization energy to remove an electron?
ca2+
n3–
fe3+
s2–

50 pts plz what is the physical state of matter of baking soda.

Over the last 90 years, scientists have added to the body of evidence supporting the big bang theory. what is the latest piece of evidence discovered in 2014?

Miner's coal distributors does not mine coal itself, nor does it even store or handle the coal. instead, miner's solicits orders for low sulfur coal from other firms, then purchases the required amount from suppliers and directs them to ship the coal to its customers. what is miner's