Answer: Hydrogen and Helium
Explanation: Hydrogen is made from from one proton and one electron, making them one of the simplest forms of elements in the universe. Combining hydrogen atoms creates helium, the second most common element in the Universe.
The two most common elements in the entire universe are Helium and Hydrogen.
Answer:
2 Mg + O2 -> 2 MgO
is a synthesis reaction.
metal
Explanation:
There isn't any picture for me to see
have a good day :)
a substance that can be dissolved by a solvent to create a solution
