Do electrons really orbit the nucleus?

The electrons do not orbit the nucleus in the manner of a planet orbiting the sun, but instead exist as standing waves. The electrons are never in a single point location, although the probability of interacting with the electron at a single point can be found from the wave function of the electron.

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Likewise, what keeps an electron in orbit around the nucleus?

Electrons are kept in the orbit around the nucleus by the electromagnetic force, because the nucleus in the center of the atom is positively charged and attracts the negatively charged electrons.

Furthermore, why does the electron not fall into the nucleus? Electrons are not little balls that can fall into the nucleus under electrostatic attraction. Rather, electrons are quantized wavefunctions that spread out in space and can sometimes act like particles in limited ways. An electron in an atom spreads out according to its energy.

Then, how far do electrons orbit the nucleus?

Electrons are indeed far away from the nucleus! If we could magnify the simplest hydrogen atom so that its nucleus (a proton) were the size of a basketball, then its lone electron would be found about 2 miles away.

Why do electrons move around the nucleus of an atom?

The nucleus is heavy and positively charged. The electron is light and negatively charged. They attract, so if the electron moves sideways at the right speed it will bend toward the nucleus and just keep on bending in a circle, the same as a satellite orbiting earth.

Related Question Answers

What are electrons made of?

So in answer to the question "What are electrons made up of?" is, electrons are made up of charge, mass, and angular momentum. To make an electron, reach out across the electric field (which is otherwise just sitting there) and introduce enough wiggle to create −1.602×10−19 coulombs of charge.

Who replaced Thomson's?

The Rutherford model supplanted the “plum-pudding” atomic model of English physicist Sir J.J. Thomson, in which the electrons were embedded in a positively charged atom like plums in a pudding.

What do electrons orbit around?

Electrons are found in different levels -- or orbitals -- surrounding the nucleus. The electrons can be found at any point in their orbital. Protons and neutrons make up the nucleus in the center of the atom. “Early on, we thought that electrons were revolving around the nucleus like planets,” Cooley said.

Do atoms spin?

Elementary particles have a fundamental property called 'spin' that determines how they align in a magnetic field. MIT researchers have created a new physical system in which atoms with clockwise spin move in only one direction, while atoms with counterclockwise spin move in the opposite direction.

What does the color of a photon depend upon?

The color of the photon is related to its frequency f, which can be related to the energy of the photon by the expression E=hf, where h is Planck's constant. Thus the different colors of the emitted photons describes their different energies. The next step is to determine why specific elements emit certain colors.

How much of an atom is empty space?

A hydrogen atom is about 99.9999999999996% empty space. Put another way, if a hydrogen atom were the size of the earth, the proton at its center would be about 200 meters (600 feet) across.

Why do electrons spin?

There's not really anything to spin. Even so, electrons do behave like they're "spinning" in experiments. Technically, they have "angular momentum," the type of momentum possessed by rotating objects. (You have angular momentum if you spin around in a chair.)

Why do electrons stay in orbit?

The proposal, first made in 1913, that the centrifugal force of the revolving electron just exactly balances the attractive force of the nucleus (in analogy with the centrifugal force of the moon in its orbit exactly counteracting the pull of the Earth's gravity) is a nice picture, but is simply untenable.

What is in the space between electrons?

The empty space between the atomic cloud of an atom and its nucleus is just that: empty space, or vacuum. That's the simple answer, but there are a few subtleties: 1) Sub-atomic particles such as electrons, protons and neutrons need to be treated as quantum objects.

Why are electrons so fast?

Electrons can sneak pass all the atoms because of their wave function. They behave like waves not like particles. They scatter on vibrations of atoms! And, they move really fast but they have no definite direction.

What are valence electrons and why are they important?

Valence electrons are the electrons that reside in the outermost electron shell of an atom in the highest energy level. They are important to an atom because the fewer valence electrons that the atom holds, the less stable it becomes.

Where do electrons get their energy?

It requires an external source of energy in order to change to a higher-energy state or else to leave the atom and become a free electron again. Typically it gets this energy either by absorbing a photon or by absorbing some kinetic energy when its atom hits another atom.

What is in the space between electrons and nucleus?

Originally Answered: What lies in the space between electrons and nucleus inside an atom? A complete vacuum. However, don't mistake a vacuum for simply empty space. A vacuum still has what physicists call 'vacuum energy', which is thought to be an underlying field of it's own.

At what speed do electrons orbit?

A calculation shows that the electron is traveling at about 2,200 kilometers per second. That's less than 1% of the speed of light, but it's fast enough to get it around the Earth in just over 18 seconds. Read up on what happens when nothing can go faster than the speed of light.

What force holds the nucleus together?

nuclear force

What are valence electrons used for by an element?

Valence electrons are the outermost shell electrons of an atom which it uses to form bonds with other atoms.

Why do electrons have mass?

The electron has a mass that is approximately 1/1836 that of the proton. The wave properties of electrons are easier to observe with experiments than those of other particles like neutrons and protons because electrons have a lower mass and hence a longer de Broglie wavelength for a given energy.

Do electrons have a negative charge?

Protons have a positive charge. Electrons have a negative charge. The charge on the proton and electron are exactly the same size but opposite. Neutrons have no charge.

What do electrons do?

Electrons are the negatively charged particles of atom. Together, all of the electrons of an atom create a negative charge that balances the positive charge of the protons in the atomic nucleus. Electrons are extremely small compared to all of the other parts of the atom.

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