Anne Helmenstine

Protons and electrons stick to each other as much as they can, but kinetic energy and quantum mechanics keep them from holding still.
Protons and electrons are attracted to each other because the positive electric charge of the proton is attracted to the negative charge of the electron. But, if they two particles find each other so attractive, why don’t protons and electrons stick together? Orbits and Waves In a sense, protons and […]

Why Don’t Protons Stick to Electrons?   Recently updated !

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Thermal polish is sometimes sold as mood polish. (Lelê Breveglieri)
Thermal nail polish is a type of polish that changes colors according to temperature. It’s like wearing a mood ring on your nails, except most thermochromic polish only switches between two colors rather than displaying the whole rainbow. The cool (or hot!) effect involves a bit of chemistry. Here’s how […]

How Does Thermal Nail Polish Work?   Recently updated !

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These are different samples of pure zinc. The metal is shiny metallic silver-gray when freshly cut. (Alchemist-hp)
Zinc is a silver-gray metal with element symbol Zn and atomic number 30. The element is essential for human life and widely used in commercial applications. These zinc facts include basic facts, chemical and physical properties, and interesting trivia about the element. Basic Zinc Facts Name: Zinc Atomic Number: 30 […]

Zinc Facts   Recently updated !

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An electron is a unit of matter with a negative electrical charge. (Anne Helmenstine)
Atoms are made of protons, neutrons, and electrons. Of these three particles, the electron has the smallest mass. Here is the definition of the electron, along with its word origin, history, and interesting facts. Electron Definition An electron is a stable subatomic particle with a negative electrical charge. Each electron […]

What Is an Electron?   Recently updated !

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A proton is a subatomic particle with a positive charge. It is found in the atomic nucleus. (AG Caesar)
Atoms consist of smaller particles called protons, neutrons, and electrons. Here is the definition of a proton, its electric charge, where it’s found in the atom, and a collection of proton facts. Proton Definition A proton is a subatomic particle with a mass defined as 1 and a charge of […]

What Is a Proton?   Recently updated !

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