An iron isotope has an atomic mass of 55. how many neutrons does this iron isotope have?

because natural gas is colorless, odorless, and tasteless, distributors add mercaptan (a chemical that smells like sulfur) to give natural gas a distinct unpleasant odor (it smells like rotten eggs). they locate the types of rock that are likely to contain natural gas deposits.

it forms an anion that has a larger radius. anions have a negative charge and are larger than the original atom.