Question

chalcogens and halogens element​

Answer 1

Answer:

Elements in the same group of the periodic table have similar chemical properties. ... The elements in group 1 are known as the alkali metals; those in group 2 are the alkaline earth metals; those in 15 are the pnictogens; those in 16 are the chalcogens; those in 17 are the halogens; and those in 18 are the noble gases.

Answer 2

Answer:

these are the highly eletronegative elements in the periodic table....

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