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using a symbol for each of the following neutral isotopes. Include the atomic number, and the mass number for each.

using a symbol for each of the following neutral isotopes. Include the atomic number, and the mass number for each.

(a) the alkali metal with 11 protons and a mass number of 23 

(b) the noble gas element with 75 neutrons in its nucleus and 54 electrons in the neutral atom 

(c) the isotope with 33 protons and 40 neutrons in its nucleus 

(d) the alkaline earth metal with 88 electrons and 138 neutrons 

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