Elements and atoms

In this video may be explained and answer of some question about
How elements relate to atoms. The basics of how protons, electrons, and neutrons make up an atom. elements and atoms,periodic table of elements, periodic table with names, atom definition.

what is the element and atom?

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Introduction to chemistry

Chemistry is the study of matter, and all matter is made up of atoms. We will learn about elements, atomic number and mass, isotopes, moles (chemistry moles, and compounds.

Elements and atoms

we will study about atoms and elements, tiny particles that make up the world around us. What are atoms, and what kind of properties do they have? How do we weigh and count atoms? We will answer those questions in this section...

Atomic weight and atomic mass

The difference between atomic weight and atomic mass in chemistry, and how it compares to the physics definitions of weight and mass. 

How to calculate atomic weight

How to calculate atomic weight from atomic mass and percent abundance of carbon isotopes.

The mole and Avogadro's number

Introduction to the idea of a mole as a number

Atomic number, mass number, and isotopes

How to use the atomic number and the mass number to represent different isotopes.

Identifying isotopes and ions

Identifying isotopes and ions from the number of electrons, protons and neutrons

Source: khanacademy.org