The atomic number is the same as the amount of electrons and protons. For example:
Oxygens atomic number is 8 so the proton and electron count is 8.
Hydrogens atomic number is 1 so the proton and electron count is 1.
Explanation:
The first wave was found to have a wavelength of 3 x 10⁵ m and the second wave had a wavelength of 3 x 10⁴ m
We need to find which wave have a higher frequency.
The relation between frequency and wavelength is given by :

Let f₁ and f₂ be the frequency of wave 1 and wave 2.

And

Hence, the wave having less wavelength will have higher frequency. The wave having wavelength 3 x 10⁴ m will have higher frequency.
I would say the first three. But I'm not 100% sure. I'm truly sorry if it's wrong
By <span>Our </span>sun<span> is a bright, hot ball of hydrogen and helium at the center of our solar system.</span>
For the first two
1. Will only give up one atom to be stable
2. Only 2 atoms