Vocabulary. Balanced chemical equation: A chemical equation in which the number of each type of atom is equal on the two sides of the equation.
Hope I helped! (´▽`)
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単語。平衡化学反応式：各タイプの原子の数が方程式の両側で等しい化学反応式。
私が助けてくれたらいいのに！(´▽`)
The answer would be B, an electron because the proton is positive, neutron is neutral, and the nucleus is the center of the atom.
The postulate of Dalton's atomic theory which is a result of the law of conservation of mass is: Atoms are indivisible particles, which can neither be created nor destroyed in a chemical reaction.
