I'm guessing D or C, remember that the noble gases cannot combine
Answer:
The same number of atoms of each element must appear on both sides of a chemical equation. However, simply writing down the chemical formulas of reactants and products does not always result in equal numbers of atoms. You have to balance the equation to make the number of atoms equal on each side of an equation.
Explanation:
The answer you're looking for is: a wave.
3.
protium (A = 1), deuterium (A = 2), and tritium (A = 3).
