Question

• element configuration of four elements.
• are given in the table arrange these
- elements as the increasing order of the
electronegative give reason
element
configuration
NO
2,8,1
S
2,8, 6
Al
2,8, 3
K
2 8, 8, 1​

Answer 1

Answer:

The most electropositive metal is pottasium in this table.

the increasing order is

K

Na

Al

S

Explanation:

The most electropositive is K

the metals Na S And Al belong to same period and in a period when going from left to right the electronegativity increases that's why the arrangement is as follows

K Na Al S

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Answer 2

electronegativity means the the tend to attract electrons in a bond. mostly nonmetals show this property.

K-2,8,8,1

Na-2,8,1

Al-2,8,3

S-2,8,6

these elements are in the order if increasing electronegativity k comes first because it has an extra shell and is therefore more reactive and tends to lose electrons more easily and Na is next because it has only one electron in its valence shell therefore the strength required to hold that one is low whereas in aluminium there are three electrons therefore it requires more strength and finally we have sulphur it is a non metal so to stabilize itself it would require to gain electrons

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