Answer:
because, it resembles the properties of alkali earth metals as well as halogens ! OwO
Explanation:
" Hydrogen resembles the properties of alkali earth metals as well as halogens. Hydrogen has one electron in its valence shell and it also needs one more electron to get stable. ... For this the hydrogen is placed separately in periodic table ! "
P.s: sharky said thanks for the points !
Chlorophyll, Chloroplast and heoglobin <span />
The increase in muscle tension that is produced by increasing the number of active motor units is called. recruitment. The type of contraction in which the muscle fibers do not shorten is called. isometric.