how hydrogen different with group 1 elements & group 17 elements?
Answers
Hydrogen is a nonmetal and is placed above group in the periodic table because it has ns1 electron configuration like the alkali metals. However, it varies greatly from the alkali metals as it forms cations (H+) more reluctantly than the other alkali metals.
Atomic Weight: 1.0079
At Room Temperature: Colorless & Odorless Diatomic Gas
Electronic Configuration: 1s
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Answer:
hydrogen has one valance electron in it's valance shell.
if hydrogen loses it's on electron then it behaves like alkali earth metals that is group 1 elements.
but the physical and chemical properties of group one element are different from that of hydrogen.
and
if hydrogen gains one electron to complete it's duplet then it behaves like halogens that is group 17 elements but again there is some differences in the physical and chemical properties of hydrogen and halogens.
the place of hydrogen is not exactly found in the periodic table but for temporary it is placed on the ground one elements.