How many protons does the isotope B have?

Question

Preston Dalton

Chemistry

31 May, 04:53

How many protons does the isotope B have?

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Kasey Hutchinson · Answer 1

5

Because All atoms of boron always contain 5 protons, as that defines its atomic number 5, Boron atomic number 5 has five electrons in its ground state. The mass number for boron-11 is 11 (it's given to you), and recall that the number of protons plus the number of neutrons equals the mass number.