2H2+O2→2H2O
We have to be aware that the number of atoms are the same on both reactant side and product side.
The new substances that result from a chemical reaction is called product
Answer:
b. source
Explanation:
The source is where something comes from. i.e. The source of sunlight is the sun.
The answer is A. Isotopes only differ in the number of neutrons in the nucleus of their atoms. Otherwise, all other subatomic particles are the same. The isotope with the more neutrons in its nucleus is therefore, heavier (have higher mass number). They share the same chemical properties but have slight physical differences such as boiling points with the heavier element having a slightly higher boiling point that the lighter element.