18 July, 01:45
If an atom has 34 electrons, 46 neutrons, and 34 protons, what is its mass number? what is the name of the element?
18 July, 03:32
Mass number = protons + neutrons = 34+46 = 80
the element with an atomic number of 34 and mass number of 80 is selenium
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» If an atom has 34 electrons, 46 neutrons, and 34 protons, what is its mass number? what is the name of the element?