When electric current is passed through an ionic hydride in the molten state,

What is the sum of the number of neutrons and protons in the heaviest isotope of hydrogen?

Which of the following statements is not true for hydrogen:
$1)$ It exists as a diatomic molecule.
$2)$ It has one electron in the outermost shell.
$3)$ It can lose an electron to form a cation which can freely exist.
$4)$ It cannot form ionic compounds.

Give the uses of $LiBH_4$ and $NaBH_4$.

$B_2H_6 + 2NaH \to$ compound $P$. Identify the hybridisation of Boron in compound $P$.

During the water-gas shift reaction: