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Atomistic I

FISMAQUIM
in Homework Help

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Consider the following statements:
I - As structural species NH3 and Na+ are said isoelectronic. Given: (7 subscript)N, (1subscript)H, (11 subscript)Na.
II - The formation of the cathode rays is due to the process of ionization of the residual gas inside the ampoule.
III - In the atomic model of Thomson, matter is neutral by a simple fact of finding the electrons in a positive noodle in a region called the electrosphere.
Which one (s) of the statement (s) are (are) correct? Justify correcting the wrong alternatives.

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