8. the number of protons in the nucleus of an element is called its number.
9. 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

8. The number of protons in the nucleus of an element is called its atomic number.

9. 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.

Hope I helped!

They are both examples of an element. Hope this helps!