Chemistry, 15.12.2020 08:50 maciemarklin3032

The nucleon number of element X is 19. Element X has 10 neutrons. Which element has the same chemical properties as element X? [Proton number: O = 8, Na = 11, Cl = 17, Ar = 18]

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The nucleon number of element X is 19. Element X has 10 neutrons. Which element has the same chemica...

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