1. 1
2. 2
3. 2
4. 1
i am pretty sure
Answer:
Mendeleev arranged the elements on the first periodic table by Increasing atomic mass
Answer:
Correct option is B. It shows the ratio of elements in the compound.
Explanation:
Empirical formula is the simplest form of the chemical formula. It shows the simplest ratio of atoms in compounds. It is determined by %age of each element.
Where’s the picture with the building blocks, I need more information to help you
