okayemily okayemily

08-12-2017
Chemistry

contestada

the atomic number of barium is 56. What do you know about the subatomic particles in an atom of this element ?

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sara2oo1 sara2oo1

11-12-2017

you definitely know that is has 56 protons and 56 electrons because atomic number is proton number and protons=electrons

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