A person heats a balloon. If the balloon initially has a volume of 0.40 L and a temperature of
22 °C, what will the volume of the balloon be after she heats it to a temperature of 249 °C if
pressure stays constant. What gas law is this?

Hello!

In this equation, the element we are working with is C, which is carbon. The number 6 represents the atomic number, and 13 is the atomic mass.

We know that the number of elections are equal to the atomic number, and the number of protons are also equal to the atomic number.

While, the number of neutrons are determined by subtracting the atomic mass by the atomic number.

13 - 6 = 7 neutrons

Therefore, there are 6 protons, 6 electrons, and 7 neutrons.