Answer:
Sodium Hydride=NaH which has 1 sodium atom, and 1 hydrogen atom, i know this because there are no added numbers meaning theres one of each element.
yes you can form different compounds with the same elements. An example of separate compounds with the same elements are CO & CO2, CO has 1 carbon atom with one oxygen atom and is a flammable gas vs CO2 has 1 carbon atom and 2 oxygen atoms and is a non flammable. Therefore we knowCO & CO2 are two different compounds with the same elements.
Even though there is a limited # of elements there are a plethora of compounds due to being able to combine the same elements with different atom ratios.
Step-by-step explanation: