wiz-icon
MyQuestionIcon
MyQuestionIcon
8
You visited us 8 times! Enjoying our articles? Unlock Full Access!
Question

The atomic number of an element Y is 17. The number of electrons in its ion Y will be:
(a) 17
(b) 18
(c) 19
(d) 20

Open in App
Solution

(b) 18
Anion Y- has one more electron than its neutral atom. Y atom has 17 electrons and therefore, in Y-, number of electrons will be 18 (17 + 1).

flag
Suggest Corrections
thumbs-up
2
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
Bohr's mode of an atom
PHYSICS
Watch in App
Join BYJU'S Learning Program
CrossIcon