Two elements, and , combine to form two binary compounds. in the first compound, 28.0 g of combines with 3.00 g of . in the second compound, 7.00 g of combines with 4.50 g of . show that these data are in accord with the law of multiple proportions. if the formula of the second compound is , what is the formula of the first compound?

Examine the false statement. compounds are the smallest unit of an element that occur most commonly in nature. select the rewording of the statement that is true. a: atoms are the smallest unit of an element that commonly occur in nature. b: molecules are the smallest unit of an element or compound that commonly occur in nature. c: molecules are the smallest unit of a compound that occur on the periodic table. d: compounds are the smallest unit of an element that occur on the periodic table