Brainliesttt ! ! : )

what is true of a synthesis reaction?

the products are often pure elements.
the reactants must be in an aqueous solution.
there is only one product.
there must be three or more reactants.

halogen, any of the six nonmetallic elements that constitute group 17 (group viia) of the periodic table. the halogen elements are fluorine (f), chlorine (cl), bromine (br), iodine (i), astatine (at), and tennessine (ts).

a tetrad is the foursome during meiosis made by two homologous chromosomes that have each already replicated into a pair of sister chromatids.