03-10-2017
Chemistry

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How many protons are in an element with an atomic number or 8 and a mass number of 18?

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jhenkel0800 jhenkel0800

03-10-2017

Atomic structure and Isotopes Quiz - Quizizz. The mass number of an element that has 18 protons, 18 electrons, and 19 neutrons is The atomic number of an element that has 9 protons, 9 electrons, and 10 neutrons is

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YuuungSavage YuuungSavage

03-10-2017

8 protons because protons are equal to the atomic number

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