Chemistry, 22.11.2020 18:10, kyla322

¿Cuál es la diferencia entre energía térmica y energía eléctrica?

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answered: Guest

Which of the following did you identify correctly

answered: Guest

atomic mass = 39

number of neutrons = 20

number of protons= 19

electronic configuration = 1s2 2s2 2p6 3s2 3p6 4s1

the number of electron in first shell = 2

number of electrons in n=3 shell = 8

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