Help needed! How do I construct this equation for chemical reaction?

I have a compound which is liquid N2H4.

1) If it decomposes into its elements, how do I construct the equation with state symbols?

2) How do I draw the structural formula if nitrogen forms 3bonds and hydrogen forms 1 bond?

Answer:
N2H4 >> N2 + 2H2

Electronic configuration N : 1s2, 2s2, 2p3
Each N has 3 unpaired electrons so in the molecule there are 3 bonds

H has 1 electron
In the molecule H2 there is 1 bond
its been a while but from what i recall...

1) the state symbol is the abbreviation for the element. if its in its liquid form use L but lower case and use cursive. if its solid use s. if its gas use g and aq for dissolved in water.

2) nitrogen (N-N) make ONE bond and then TWO H around each N complete the THREE needed bonds.

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