Question

I'm not quite sure how to answer this, can someone explain or like work out a diagram that makes me understand? chem is hard T-T

Answer 1

it looks to be some kind of decomposition reaction, beyond that I have no idea.

Answer 2

if it is just a decomp then all's ya gotta do is separate each element

Answer 3

Lines indicate bonds to other atoms, and non-bonding electrons are represented as small dots next to the chemical symbols.