HEL The charge of each iron ion in the ionic compound FeS is Fe2+.

Please select the best answer from the choices provided

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Suppose that a comet that was seen in 563 a. d. by chinese astronomers was spotted again in year 1951. assume the time between observations is the period of the comet and take its eccentricity as 0.986. what are (a) the semimajor axis of the comet's orbit and (b) its greatest distance from the sun?

Which is the best for showing percentages of different types of cars sold(gas hybrid , electric , other ) in the united states ?

If you place a magnet under a clear dish, and sprinkle iron fillings over it, above what part of the magnet will most of the fillings gather