State mendeleevsl's perodic law

Explanation:

the law that the properties of the elements are periodic functions of their atomic numbers. Also called Mendeleev's law. (originally) the statement that the chemical and physical properties of the elements recur periodically when the elements are arranged in the order of their atomic weights.

Explanation:

it says that the properties of elements are a periodic function of their atomic mass

answer; talc and gypsum;