1.

The helical form of the periodic table was given by De Chancourtouis and was called telluric helix after the ele- ment ‘tellurium’ because

Answer»

Tellurium was the last element in his GIVEN table
Tellurium FELL NEAR the center of his table
Tellurium was the most ABUNDANT of all elements featured in his table
Tellurium was the only semi-metal in his table

Answer :B


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