Question

serotonin is a neurotransmitter involved in mood and emotional regulation. part: 0 / 4 part 1 of 4 write the molecular formula of the compound. note: write the symbols in the order in which the elements appear in the periodic table, from left to right. hydrogen is the exception to the rule, coming after all the elements except those in groups 5a - 7a.

Explanation:

Step1: Count carbon atoms

Count the black - colored atoms (representing carbon) in the structure. There are 10 carbon atoms.

Step2: Count hydrogen atoms

Count the white - colored atoms (representing hydrogen). There are 12 hydrogen atoms.

Step3: Count nitrogen atoms

Count the blue - colored atoms (representing nitrogen). There are 2 nitrogen atoms.

Step4: Count oxygen atoms

Count the red - colored atom (representing oxygen). There is 1 oxygen atom.

Answer:

$C_{10}H_{12}N_{2}O$