Question

justify position of hydrogen in periodic table . -3marks​

Answer 1

Explanation:

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Answer 2

Explanation:

Hydrogen with atomic number 1 and electronic configuration 1s1 is the first element in the periodic table. It resembles alkali metals as well as halogens. ... Some chemists argue that hydrogen should be placed along with alkali metals whereas other chemist argue that hydrogen should be placed with halogens.