Answer:
bro please rotate it and send again please
Answer:
The atomic radius corresponds to Sigma
Explanation:
It is the Van Der Waals radius ;)
When in doubt pick C I don’t really know the answer but I just pick C
Answer:
is the isotopic notation of the atom
Explanation:
The isotope notation is:
<em>Where a is the mass number = Number of protons + Number of neutrons</em>
<em>b is atomic number = Number of protons</em>
The atomic number define the nature of the atom, the element with atomic number = 15 is phosphorus, P:
a = 15 protons + 16 neutrons = 31
b = 15
is the isotopic notation of the atom.