Answer:
means that 2 atoms of the element hydrogen have joined together to form w molecule.
Explanation:
a subscript is only used when more than ine atom is being represented.
i would say D, swimming in the ocean
Drawbacks of Dalton's Atomic Theory. The indivisibility of an atom was proved wrong: an atom can be further subdivided into protons, neutrons and electrons. However an atom is the smallest particle that takes part in chemical reactions. According to Dalton, the atoms of same element are similar in all respects.
It is easiest to tell if a solution is saturated if there is residue on the bottom. If it crystallized, the solution is saturated. If it is a supersaturated solution, there will not be crystallization unless more of the solute is added, at which point all of it will crystallize.
The answer is A. Buildings don't melt when it rains, even if the area is polluted.
