Explanation:
By ordinary chemical means/reaction
8. <span>The number of protons in the nucleus of an element is called its atomic number.
9. </span><span>If two or more compounds are composed of elements A and B, the ratio of the masses of B combined with 1 g of A is always a ratio of small whole numbers. This is a statement of the law of definite proportions.
</span><span>Hope I helped!</span>
Answer: mass
Explanation: good luck!
