Question

Plz answer this last one guys plz do fast ​

Answer 1

$\huge\star{\underline{\mathtt{\red{A}\pink{N}\green{S}\blue{W}\purple{E}\orange{R}}}}⋆$

Elements and compounds=>

An element is a material that consists of a single type of atom. Each atom type contains the same number of protons. Chemical bonds link elements together to form more complex molecules called compounds. A compound consists of two or more types of elements held together by covalent or ionic bonds

Metals and non-metals=>

Metals and non-metals are substances that can be differentiated on the basis of various physical and chemical properties. Metals are the elements that are generally hard as strong metallic bond exists between the atoms. ... While the elements with 4, 5, 6 or 7 electrons in their outermost shell are known as non-metals.

third part:

volume can be calculated from weight and density using the formula,volume=weight/density.It can be measured by using jars by measuring the volume of fluid displaced by the stone(put stone into a fully filled jar with water. Measure the volme of water overflown gives the volume of stone).