How Lewis dot structure helps in understanding bond formation between atoms?
In lewis dot structure of atoms of an element, we represent the nucleus and inner shell electrons by the symbol of element and electrons of outer shell by dots.
Based on this we can understand the valence of an element based on which we can predict the type of bond formed between atom. For ex- calcium has electronic configuration -
20Ca40 – 1s22s22p63s23p64s2 – lewis notation is
The outermost shell ‘4’ has 2 electrons and they are represented by 2 dots. The inner electrons and nucleus are represented by the symbol Ca.
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