One of two or more species of atoms of an element with the same atomic number but different atomic masses.| Encyclopedia Britannica
James Chadwick was an English physicist who won the Nobel Prize in Physics in 1935 for discovering the neutron.| ChemTalk
Learn properties, reactions and experiments that can be done with the elements of the periodic table - including chemistry facts you won't find elsewhere.| ChemTalk
In this article, we explore the properties of radioactive alpha, beta, and gamma particles, their danger, and how to stop them.| ChemTalk
What is an element in chemistry? We explore the definition of an element, and discuss their characteristics and properties.| ChemTalk
The electron is one of the most fundemental acpects of chemistry. Learn about JJ Thomson and the discovery of the electron.| ChemTalk
In this article, you will learn about atomic number, its definition, its usefulness in categorizing elements, and its history as a theory in chemistry.| ChemTalk
Learn and master lewis dot structures with this easily digestible tutorial created by ChemTalk for you.| ChemTalk
You will about the periodic table, how to read it and understand the groups on the periodic table, plus the periods & families of elements.| ChemTalk
An atom is a building block of matter that is generally used to determine the characteristics of an element.| ChemTalk
We explain periodic trends of the periodic table, such as electronegavity, atomic radius, first ionization energy, & electron affinity.| ChemTalk
Learn what an electron orbital is, how they relate to quantum numbers, and orbital shapes, including the s-orbital, p-orbital, and d-orbital!| ChemTalk
The world's best periodic table! Enjoy this elegant, beautiful interactive table of the elements, with links to complete element articles.| ChemTalk