niyahpete123 niyahpete123

10-12-2020
Chemistry

contestada

Alom A has an atomic number of 19 and mass number of 40 Atom B has an atomic number of 20 and a mass number of 40 Which of these is an accurate statement?

Respuesta :

abdulgafaryusuf9 abdulgafaryusuf9

10-12-2020

Answer:

Statement 2-Atom B has an atomic number of 20 and a mass number of 40

Explanation:

mass number = the sum of protons and electrons

Atom A would be an isotope ( which I don't think exist )

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jtekorien jtekorien

31-08-2021

Answer: Atom A has one less atom then atom B

Explanation:

I took the test and made a 100

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