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Sonja [21]
3 years ago
7

In an atom of argon-40, the number of protons

Chemistry
2 answers:
FinnZ [79.3K]3 years ago
7 0
(1) equals then number of electrons is your answer. If it is not a charged ion (and an ion of argon is rare naturally) than the number of protons always equals the number of electrons.
s2008m [1.1K]3 years ago
7 0
<span>(1) equals the number of electrons
</span>
Because in argon-40, its protons and electrons are both 18, while the neutrons are different. <span />
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