Please Explain Cathode Rays impart a Charge to metals exposed to them. The charg

Question

Please Explain

Cathode Rays impart a Charge to metals exposed to them. The charge on an Electron was determined in the oil Drop Experiment The Gold Foil Experiment performed by Led to the Discovery of the structure of the which contracted plum - pudding model of the Atom. Which Atom has smallest number of Neutron between 14C or 19 F ? a-rays & B-rays are particles True or False ? 1H, 2H, & 3H all have one proton True or False ? Oxygen has 3 stable isotopes with abundances & mosses given in the Table below The Average Atomic Mass For Oxygen is x10 Amu Capper has an Average Atomic Mass of 63.5 Amu & Two isotopes of 62.9 A Mu Where as the mass of the other is 64.8 AMU The other isotope has an Abundance of x10 %

Explanation / Answer

1.Rutherord, Atom, J.J.Thomson

2.14 C has 8 so it has smallest

3.True

4.True

5.True

6.15.994*10^0

7.3.092*10^1

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