Question

The elements with atomic numbers 35, 53 and 85 are all ________.

(i) noble gases

(ii) halogens

(iii) heavy metals

(iv) light metals

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Answer 1

Answer:

The elements with atomic number 35(bromine), 53(Iodine) , 85(Astatine) are all halogens.

Because the halogens means the elements which are in the 17 the group ...

Explanation:

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