A hydride is a general term for the compound in which its hydrogen atom is connected to another compound. The name and formula of the hydride formed are written in answers below.
a. hydride formed by tin
The general way of naming the hydride of a metal is composed of two words. The first word is the name of the metal and the second word is the hydride. For this item, the hydride formed is TIN HYDRIDE. Its formula is <em>SnH₄</em>.
b. hydride formed by aluminum
Following the same concept as the above, the name of the hydride would be ALUMINUM HYDRIDE. The chemical formula of the compound is <em>AlH₃</em>.
<em>Balance Chemical Equation:</em>
2H3N(aq) + 3Ca(OH)2(aq) → Ca3N2(aq) + 6H2O(liq)
<em>Explanations:</em>
- According to law of mass of conservation, the chemical equation should be balanced.
- In balance chemical equations, the numbers of same or different atoms in reactants should be equal to the number of different atoms of elements of product side.
I think it is D
Hope this help you?