It's a single- replacement reaction so Mg+ 2HCl ➡️ H2+ MgCl2
Answer:
Water is made of two ___hydrogen_ atoms and one ____oxygen_ atom.
D) Helium (He) is the second most abundant element in the universe, the first one being hydrogen, and helium is followed by: oxygen, carbon, neon, iron, nitrogen, silicon, magnesium, and sulfur.
