A student has five unknown substances they must classify into states of matter. which properties would they use? A. mass and volume
B. shape and volume
C. weight and shape
D. volume and weight

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As you move from right to left on the periodic table the atomic radius fill in the blank

Which statement names the physical property of wood a. wood is softer than coal b. wood does not rust c. wood can rot d. wood can burn

Ammonium perchlorate nh4clo4 is the solid rocket fuel used by the u. s. space shuttle. it reacts with itself to produce nitrogen gas n2 , chlorine gas cl2 , oxygen gas o2 , water h2o , and a great deal of energy. what mass of nitrogen gas is produced by the reaction of 2.1g of ammonium perchlorate?