what is the difference between group no 17 and 18 of modern periodic table
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GROUP 17 elements are called Halo group elements ..... they need 1 electron to attain Nobel gas configuration..... so they have a tendency to gain electron to achieve nobel gas configuration.... this group is the most electro negative group....the general electronic configuration is ns ^2 np^ 5
group 17 includes Flourine, Chlorine, Bromine, Iodine
but in GROUP 18 which is also called zero valent group ... this group have fully filled electronic configuration.... (they are stable because of this fully filled orbital)... they neither have the tendency to gain or loose electron.
The general electronic configuration is ns^2 np^6. The elements of this group are called Nobel gas because they generally don't react at normal conditions as they are satble.
group 18 includes Helium, Neon, Argon , Krypton, Xenon , Radon...
both groups belong to p block .....
hope it helps you....
:)...
group 17 includes Flourine, Chlorine, Bromine, Iodine
but in GROUP 18 which is also called zero valent group ... this group have fully filled electronic configuration.... (they are stable because of this fully filled orbital)... they neither have the tendency to gain or loose electron.
The general electronic configuration is ns^2 np^6. The elements of this group are called Nobel gas because they generally don't react at normal conditions as they are satble.
group 18 includes Helium, Neon, Argon , Krypton, Xenon , Radon...
both groups belong to p block .....
hope it helps you....
:)...
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Answer:
Explanation:
Group 17 contain halogens
Group 18 contains noble gases
Group 17 elements have to attain a stable configuration in order to complete their octet
Group 18 are already stable in nature
Group 17 elements are also present in gaseous ,liquid and solid state
Whereas group 18 is not.
Eg of grp 17: fluorine ,bromine ,iodine
Eg of grp 18: neon ,helium
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