Answer:
The answer is H2(g) + Cl2(g) → 2HCl(g).
Answer:
The four quantum number for each electron will be:







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Explanation:
As the element is neutral, the number of protons will be equal to number of electrons which will be the atomic number of the element.
Number of electrons =12
Atomic number = 12
Element : Magnesium
The principal shell is represented by "n"
i) For "s" subshell the value of l =0 (azimuthal quantum number) thus m (magnetic quantum number)= 0
The two electrons in s subshell will have either plus half or minus half spin quantum number
ii) for "p" subshell the value for l =1
thus m = 0 or +1 or -1
The two electrons in each orbital will have either plus half or minus half spin quantum number
It would be A) Cl, K, Ar
Because Cl=35,K=39,Ar=40
Single type of atom builds a single atom