1. What was the name of battle where the "shot heard around the world" happened?

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.

Use the table to identify the phase and phase changes of the elements under the given conditions. write the name of the substance, phase, or phase change

In salt water solution,the salt is the blank