Question

four elements w x y and z contain 8, 11, 9, and 17 protons per atom respectively the element which cannot form anion is most likely to be
a.w
b.x
c.y
d.z

Answer 1

Electronic config of :

w is 2,6

x is 2,8,1

y is 2,7

and, z is 2,8,7

Hence correct option is d.(z)

Answer 2

The element which cannot form anion is most likely to be X

Explanation:

Atomic number is equal to the number of protons or the number of electrons for a neutral atom and is specific to a particular element.

Metals donate the electron and forms a positively charged ion called as cation. Non metals accept the electrons and forms a negatively charged ion called as anion.

$W:8:1s^22s^22p^4$ : This can gain two electrons to get stable and thus is a non metal.

$X:11:1s^22s^22p^63s^1$ : This can lose electron to get stable and thus is a metal.

$Y:9:1s^22s^22p^5$ : This can gain one electron to get stable and thus is a non metal.

$Z:17:1s^22s^22p^63s^23p^5$: This can gain one electron to get stable and thus is a non metal.

Learn More about metals and non metals

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