I think <span>3H2+N2==>2NH3</span>
There is no chemical formula for light energy because light is not a chemical.
Chemical- it produces ammonia.
B)
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a subatomic particle with no electric charge, found in the nucleus of an atom </span>
A substance that cannot be broken down into even by chemical means is called an element. About 90 elements on the Periodic Table can be found naturally on Earth. Three of the most common ones are aluminium, silicon and oxygen.
Sorry I couldn't give you a more specific answer as your question wasn't multiple choice.