This is answer open this image I am not sure is this wright
So you find the atomic mass in amu, and the molar mass would be in grams.
(3)- gamma ray has no charge and no mass
His revisions proved the importance of the atomic number and acknowledged why some of the elements seemed like they were out of place, even though they were in the right place.
Ionic bond is formed by two opposite type of substances (metal and non-metal) while both covalent or metallic bond is formed by two same type of substances (non-metal and non-metal form covalent bond, metal and metal form metallic bond). Idk if it's true or not.
