Using the Periodic Table predict which elements will have similar chemical properties or reactivity. Group of answer choices

rubidium, yttrium, and zirconium

nitrogen, sulfur, and bromine

magnesium, strontium, and barium

cadmium. calcium, and carbon

Tell me the iupac name of the following compounds:

Jose and eric were given four samples in lab. the results of their analysis are shown in the table. based on the data they collected, which sample is most likely a metal?

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?