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Hydrogen reacts with different elements to form variety of hydrides. Their stability depends upon lattice energy. and ionic character. Covalent hydride is most common type pf hydrides. Find from the following which is polymeric hydride
A. |
`CaH_2` |
B. |
`MgH_2` |
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C. |
`BaH_2` |
D. |
`SrH_2` |