What is a proton? Find out the proton definition, along with the mass of a proton and a proton's charge. Also, learn where we can find protons in...

In a neutral atom, the number of protons and electrons are equal. In a positively charged ion, also called a cation, the number of protons is greater than the number of electrons.

Learn how to count protons and electrons in ions, and see examples that walk through sample problems step-by-step for you to improve your chemistry knowledge and skills.

Learn the three isotopes of hydrogen. Learn the number of protons and neutrons in each of the isotopes of Hydrogen along with their atomic and mass numbers.

What are protons, electrons and Coulombs? Protons :Protons are subatomic particles that, together with neutrons, form the nucleus of an atom.

Their number of protons make them a unique type of element. For example, oxygen atoms have 8 protons, hydrogen atoms only have 1, and gold atoms have 79. This number is like the identity of an ...

Know what the periodic table is Differentiate between protons, neutrons and electrons Define nucleus and isotopes Understand how to calculate the atomic number and the mass number

What are the fundamental particles of an atom? Learn about the fundamental particles, also known as elementary particles, and the types of particles.

Aluminum has 13 protons, 13 electrons, and 14 neutrons. To determine this, look first at the atomic number for aluminum, which is 13. This gives the...

Explore atoms. Learn the definition of an atom and understand its structure with diagrams and explanations. See atom examples and find the elements...