omarhamad1999 omarhamad1999

08-05-2017
Physics

contestada

If an element has 6 electrons, how many of them will be in the 2nd energy level?

How many neutrons does element X have if its atomic number is 54 and its mass number is 163?

If element X has 106 protons, how many electrons does it have?

An element's atomic number is 29. How many protons would an atom of this element have?

Respuesta :

pratham56 pratham56

29-01-2019

[tex]1st \: answer \: is \: \: \: \: \: \: 4[/tex]
[tex]2nd \: answer \: is \: \: \: \: \: 109[/tex]
[tex]3rd \: question \: is \: in complete[/tex]
[tex]4th \: answer \: is \: \: \: \: 87[/tex]

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