## How do we know the universe is charge neutral?

In the current universe, all evidence suggests that the number of electrons in the universe is almost identical to the number of protons, making the universe electrically neutral. …

Why is an atom normally neutral and stable?

Atoms are electrically neutral because they contain equal quantities of positively charged protons and negatively charged electrons. Electrons and protons have equal but opposite charges, so the result is no net charge.

### Does the universe have an electric charge?

It is impossible to conclusively measure the overall electric charge of the universe since the universe is infinite. However, the laws of physics, extrapolations of local measurements, and simple reasoning seem to all tell us that the overall electric charge of the universe is exactly zero.

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What does it mean to say that an atom is neutral?

When an atom has an equal number of electrons and protons, it has an equal number of negative electric charges (the electrons) and positive electric charges (the protons). The total electric charge of the atom is therefore zero and the atom is said to be neutral.

#### What is the charge of the universe?

zero
Most evidence indicates that the net charge in the universe is zero; that is, there are equal quantities of positive and negative charge.

Does a neutral object have a charge?

And neutral objects have a balance of charge – equal numbers of protons and electrons. Objects with more electrons than protons are charged negatively; objects with fewer electrons than protons are charged positively.

## Why do atoms need to be stable?

Atoms will react to get in the most stable state possible. A complete octet is very stable because all orbitals will be full. Atoms with greater stability have less energy, so a reaction that increases the stability of the atoms will release energy in the form of heat or light.

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How do atoms become stable?

Many atoms become stable when their valence shell is filled with electrons or when they satisfy the octet rule (by having eight valence electrons). If atoms don’t have this arrangement, they’ll “want” to reach it by gaining, losing, or sharing electrons via bonds.

### Does a neutral object contain no charge?

Answer: An electrically neutral object contains the same amount of positive charge as negative charge, resulting in no net charge. Typically, this means the same number of protons and electrons. Since they have an equal amount, niether one is stronger so we say that it has no net charge.

What are neutral atoms on the periodic table?

Neutral atoms of an element contain an equal number of protons and electrons. The number of protons determines an element’s atomic number (Z) and distinguishes one element from another. For example, carbon’s atomic number (Z) is 6 because it has 6 protons.

#### What elements are neutral atoms?

Atoms are neutral in electrical charge because they have the same number of negative electrons as positive protons (Table 4.5. 1). Therefore, the atomic number of an atom also tells you how many electrons the atom has….Atomic Number.

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Name Helium 2 2 2 2

Is the universe electrically neutral?

If you take on this though experiment some interesting conditions arise. It seems to be an agreed upon fact that the universe is electrically neutral, on large scales. What’s the evidence?

## How electrically charged is the universe locally?

Since the universe is mainly ionized, I would have to conclude that locally, on a scale of 10^5 to 10^7 light years, it is also electrically charged, unless observations of opposite ionization have been made….fill me in if those observation have already been made…..

Is the universe ionized?

Cadnr and presumably almost everybody here knows that the universe is largely ionized. So that has no relevance to the issue of overall neutrality. Sysreset offered evidence that there is some ionized gas somewhere, but that is irrelevant. It does not indicate that the ionized gas fails to be overall neutral.