Among the alkali metals, the tendency to react with other substances. a. does not vary among the members of the group. b. increases from top to bottom within the group. c. varies in an unpredictable way within the group. d. decreases from top to bottom within the group.

Which statements describe polyatomic ions? check all that apply. polyatomic ions have many charges. polyatomic ions have one overall charge. polyatomic ions repel other ions to form ionic bonds. polyatomic ions attract other ions to form ionic bonds. polyatomic ions are made up of only one type of atom. polyatomic ions are made up of two or more types of atoms.

Complete the sentence. the lower the hydrogen ion concentration, the the ph. higher lower closer to 7 closer to 0

What is the molecular formula of ferrous nitrate and ferric nitrate