Q 1.How many protons and electrons are present in a S2– ion? 2.Naturally occurring argon consists of three isotopes, the atoms of which occur in the following abundances: 0.34% 36Ar (35.9676 u), 0.07% 38Ar (37.9627 u), and 99.59% 40Ar (39.9624 u). The calculated atomic weight of argon is: 3.The scientist who determined the charge of the electron was ____________. 4.An atom of the isotope chlorine-39 consists of how many protons, neutrons, and electrons? (p = proton, n= neutron, e = electron) 5.Which of the following is NOT explained by Dalton's atomic theory?
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