A particle has 11 protons, 11 neutrons and 10 electrons.Determine what this is an example of. A negative ionA neutral atomA positive ion
Question
A particle has 11 protons, 11 neutrons and 10 electrons.
Determine what this is an example of:
- A negative ion
- A neutral atom
- A positive ion
Solution
This is an example of a positive ion.
Here's why:
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The number of protons determines the atomic number of an element. In this case, the particle has 11 protons, which means it is an atom of Sodium (Na), as Sodium has an atomic number of 11.
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The charge of an atom or ion is determined by the difference between the number of protons (which have a positive charge) and electrons (which have a negative charge). In this case, there are 11 protons and 10 electrons.
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Since there is one more proton than there are electrons, the particle has a net positive charge.
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Therefore, this particle is a positive ion.
A neutral atom would have an equal number of protons and electrons, and a negative ion would have more electrons than protons.
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