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The numbers listed represent the first, second and third energy levels, respectively. On this basis, which of the following is an unstable or reactive atom?

2, 8, 1

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11y ago
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11y ago

An atom that does not have a filled valence shell will be unstable and reactive.

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13y ago

Atom with unequal electrons and protons

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11y ago

your moms

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Q: What numbers are an unstable or reactive atom?
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Related questions

Is 288 is unstable or reactive atom?

no


Is an ion or atom more reactive?

Anything that is unstable is more reactive, and anything that is stable is less reactive. Since a charged ion requires energy to maintain its charge, it is LESS stable and thus MORE reactive.


What is an unstable atom?

An unstable atom is a radioactive atom.


Are unstable isotopes chemically inert?

Unstable isotopes can be chemically reactive.


Is the element chlorine reactive unstable?

Yes, chlorine is very reactive.


What causes an atom to be stable and unstable?

If an atom has more protons then electrons the atom will have a negative charge.If the atom has more electrons then protons the atom will have a positive charge.If the atom has equal numbers of electrons and protons then the atom becomes neutral.However if you're wondering why an atom is stable then that means that it has all the electrons inside of it paired. If the atom is unstable it has unpaired electrons.


What is the most highly active atom in the nuclear atom system?

If you are looking for the most chemically reactive atom or element, it is fluorine. As regards which atom is the most active in its nucleus, there are a lot of very unstable radioactive atomic nuclei. Some are so unstable that they can only exist for a small fraction of a second, or, more properly, have an extremely short half-life.


Is a beryllium atom reactive or non reactive?

reactive


Is a chlorine atom stable even if it has seven atoms in the outer third shell?

No. Chlorine's electron configuration is unstable. As a result, chlorine is a highly reactive element.


What makes a atom unstable?

it might not be unstable with anything.......


Is a noble gas chemically reactive and unstable?

no, it's the complete opposite they are stable and non reactive


What if the outer orbital is not full of electrons?

If the outer orbital is not full of electrons, the atom is unstable. It will react with other atoms to fill its outer shell.