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...

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.

Cations have more protons than electrons, which causes the overall positive charge on the atom. If an atom gains an electron, the ion is called an anion due to the overall negative charge on …

Learn about the lithium, which is the Li element on the periodic table. Understand the lithium atom, the process of lithium mining, and see uses...

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

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 about the definition of protons, their charge and mass, in a quick 5-minute video lesson! Test your knowledge with an optional quiz for practice.

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...

Thus, protons will always have a positive charge. What does positive charge mean? Positive charges arise from the electromagnetic force and is found on several subatomic particles.