Mangenese is the element which have 25 protons
B. It has a negative charge and much less mass than a proton.
Answer: The answer is the second one
Answer: Originally viewed as a single event, the Taconic orogeny is now known to consist of at least three episodes. The first took place in the Early Ordovician Epoch near Maine and Newfoundland. The second was centred on eastern Tennessee in the Middle Ordovician Epoch.
