Q&A

Why are objects solid when atoms are mostly empty space?

Why are objects solid when atoms are mostly empty space?

It feels solid because of the dancing electrons. So pushing just two atoms close to each other takes energy, as all their electrons need to go into unoccupied high-energy states.

Are atoms rigid?

The rigidity is due to the interactions of atoms. For example, as you move your hand across the table your atoms interact with the atoms of the table. Your atoms don’t occupy the same space as the atoms of the table, nor do the atoms become interwoven.

How do atoms behave in a vacuum?

When bound in atoms in an undisturbed state, electrons act like waves. The electron actually spreads out to fill all space, although far away from the atom it is thin enough to be negligible. Interestingly, electrons in the atom even spread out so as to overlap with the nucleus itself.

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What part of an atom is mostly empty space?

An atomic nucleus consists of mostly empty space. An atomic nucleus contains most of the atom’s mass. An atomic nucleus contains most of the atom’s mass.

How is matter mostly empty space?

While atoms are indeed mostly empty space, the void is filled with the electromagnetic fields generated by the electrons within the atom. These affect light waves as they move through materials, preventing them from passing straight through unimpeded.

Is there atoms in a vacuum?

There are no ever-smaller atoms or molecules between the nitrogen and oxygen molecules of the air, there is simply vacuum. In fact, we are all breathing a poor vacuum with some molecules floating about in it.

Is there vacuum between atoms?

If one equates space, with vacuum, then yes there is vacuum, not only between atoms, but within atoms themselves. In a single atom, the distance between the nucleus and the electrons in the lowest orbital (not orbit, electrons do not orbit the nucleus like planets) is immense.

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Does atoms have vacuum?

The space inside the atom is just that, empty space, i.e. vacuum. They too have empty space between their nucleons and electrons. One can picture them to be like the solar system with the sun at the center and the planets revolving around it, with just empty space (vacuum) between the sun and the planets.

What atoms are in a vacuum?

Going by the pure definition of the vacuum, there are no atoms in a vacuum. But things known as ‘virtual particles’ do exist in a vacuum. Also, there is the presence of dark matter, a kind of matter which does not interact with light and hence isn’t visible.

Is there vacuum in an atom?

Specifically, is there air in the empty space of an atom? The space inside the atom is just that, empty space, i.e. vacuum. Air molecules are also made up of atoms with a central core of nucleons and electrons spinning around them. They too have empty space between their nucleons and electrons.