7.00 grams of manganese (oxide are completely reacted with a M solution of hydrochloric acid. How many m ^ 2 are needed?

Astudent is asked to identify and element that is pale yellow brittle solid and does not conduct electricity. at which location in this periodic table would the element most likely be found?

Most materials are not magnetic because their magnetism has worn off. their magnetic domains are arranged randomly. they lack magnetic fields. earth’s heat has destroyed their magnetism.

What is a number added in front of a formula in order to balance the equation