Un átomo “E” posee número atómico y número de masa que son la mitad y el doble del número de masa y el número atómico respectivamente de un átomo F. Ambos átomos poseen en total 86 neutrones. Si la diferencia de los números de masa entre E y F es 44. Calcular la carga nuclear del átomo “E”.

the mass of the cathode increases because ions from the solution get reduced to atoms and become part of the cathode.

explanation:

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explanation:

let the different atoms be x and y. each with four protons and same mass will be represented as follows.

mass number is number of protons + number of neutrons.

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since, it is given that one has a negative charge while the other is neutral. therefore, there will be increase in number of protons and the atom will be represented as follows.

according to periodic table, mass number of beryllium is 9 and it has atomic number 4 so, the atoms will be and .  

the protons and neutrons will be located inside the nucleus whereas the electrons will be revolving around the nucleus.