A. choose the best response for the following. the ionization energy for the chlorine atom is equal in magnitude to the electron affinity for a) cl- ion b) cl+ ion c) f atom d) cl atom e) none of these b. choose the best explanation for this. a) the electron affinity can’t be determined without detecting the ionization energy. b) these energies are equal for all forms of the same element. c) electron affinity doesn’t exist for these substances. d) two particles participate in the same process, both energies being involved. submit answertry

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.