Question

write a story on the following hints - A man came to cut a tree. ,/, the tree which obstructed his views of the valley, /, found the tree fell down last night in storm ,/, the man sat beside the tree pondering on unexpected twists and turns ,/, he picked up an account ,/, gently pushed it into the earth ,/, realised the importance of trees in human life

Answer 1

Valence shell electron pair repulsion theory is a simple way of rationalising the shapes of many compounds in which a main group element is surrounded by ligands. ClF3 is a good illustration of this theory.