The nucleus of an atom has 5 protons and 6 neutrons. What would be the (a) atomic number, (b) mass number, (c) the number of electrons, and (d) the number of valence electrons, per atom of this element?

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Solution

(a) 5

(b) 11

(c) 5

(d) 3

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The nucleus of an atom has 5 protons and 6 neutrons. What would be the (a) atomic number, (b) mass number, (c) the number of electrons, and (d) the number of valence electrons, per atom of this element?

(a) 5 (b) 11 (c) 5 (d) 3

(a) 5

(b) 11

(c) 5

(d) 3