Atom X has 17 protons. How many electrons are in its valence shell (outermost energy level)?
A. 7
B.3
C.5
D.10

Question

25-04-2021
Biology

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Atom X has 17 protons. How many electrons are in its valence shell (outermost energy level)?
A. 7
B.3
C.5
D.10

Respuesta :

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ahsan57900 ahsan57900 · Answer 1 · 2021-08-31T18:19:40+02:00

There are 7 electrons are present in the outermost shell of Atom X.

In the outermost shell there are 7 electrons because in the first the shell there is a space for 2 electrons, in the second shell there is a place for 8 electrons so there is 10 electrons are present in both shells. The remaining 7 electrons are present in last shell which needs only one electron to become stable and completion of the shell so we can conclude that there are 7 electrons are present in the outermost shell of this element.

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Atom X has 17 protons. How many electrons are in its valence shell (outermost energy level)? A. 7 B.3 C.5 D.10

Respuesta :

Otras preguntas

Atom X has 17 protons. How many electrons are in its valence shell (outermost energy level)?
A. 7
B.3
C.5
D.10