1 --> Jaws
2 --> Four limbs
4 --> Mammary & fur
5 --> Walking on two legs
Electron affinity for fluorine is than chlorine most likely , due to the electron repulsion that occur between the electron where n= 2 . the elements in the second period have such small electron clouds that electron repulsion is greater than that of the rest of the family.
A variable is not consistent or having a fixed pattern; liable to change.
<h3>A. an acidic............</h3>
