<span>These are the rules of the quantum numbers that you have to use to dilucidate the validity of a set of quantum numbers:
</span><span />
<span>1) Main quantum number, n: 1, 2, 3, 4, 5, 6, 7
</span>
<span /><span /><span>
2) Second quantum number, ℓ: 0, 1, 2, ... n-1
</span><span />
<span>3) Third quantum number (magnetic quantum number), mℓ: -l,...0,,,,+l
</span><span />
<span>4) Fourth quantum number (spin): ms: +1/2 or -1/2
</span>
<span /><span /><span />
Answers:
<span>i) 3,2,0,1/2: valid, because 0<= l < n; - l <= ml <= +l; and ms = +1/2 or -1/2
</span>
<span /><span /><span>
</span><span>ii) 2,2,-1, 1/2 invalid because l = n (violates second rule)</span><span /><span>
</span><span>
</span><span>iii) 4,3,-4,1/2 invalid because ml is less than - l (violates third rule)</span><span /><span>
</span><span>
</span><span>iv) 1,0,0,1/2 valid: meet the four rules</span><span /><span>
</span><span>
</span><span>v) 2,2,1,-1/2 invalid because l = n (violate the second rule)</span><span /><span>
</span><span>
</span><span>vi) 3,2,1,1 invalid because ms can be only +1/2 or -1/2 (fourth rule)
</span>
<span /><span /><span>vii) 0,1,1,-1/2 invalid because l > n (violates rule 2)
</span>
<span /><span /><span>viii) 3,3,1,1/2 invalid because l = n (violate rule 2)
</span>
<span /><span /><span>ix) 2,-2,-2,-1/2 invalid because l is negative (violates rule 2)
</span>
x)<span> 3,2,2,1/2 valid: meet the four rules</span>
xi)<span> 4,2,1,1/2 valid: meet the four rules</span>
<span /><span>
</span><span>
</span><span>xii) 2,1,-1,-1/2 valid meet the four rules</span>
Tricuspid valve: located between the right atrium and the right ventricle.
pulmonary valve: located between the right ventricle and the pulmonary artery.
mitral valve: located between the left atrium and the left ventricle.
aortic valve: located between the left ventricle and the aorta.
To find concentration H+ you want to do the inverse log
So 3.5= -log10[x] = 10^-pH
x= 10^-3.5
So [H+]= 3.16*10^-4 M or mol/L