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AnnZ [28]
3 years ago
9

Which elements are in the same group of the periodic table?

Chemistry
1 answer:
KengaRu [80]3 years ago
5 0
Look at your periodic table. The answer is D. They are all in Group 15. 
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Give the value of the quantum number ℓ, if one exists, for a hydrogen atom whose orbital angular momentum has a magnitude of 6√(
MakcuM [25]

Answer:

For this angular momentum, no quantum number exist

Explanation:

From the question we are told that

   The magnitude of the angular momentum is  L  = 6\sqrt{\frac{h}{2 \pi} }

The generally formula for Orbital angular momentum is mathematically represented as

           L  = \sqrt{(l * (l + 1)) } *  \frac{h}{2 \pi}

Where l is the quantum number

now  

We can look at the given angular momentum in this form as

      L  = 6\sqrt{\frac{h}{2 \pi} }    =  \sqrt{36}  * \sqrt{\frac{h}{2 \pi}} }

comparing this equation to the generally equation for Orbital angular momentum

     We see that there is no quantum number that would satisfy this equation

5 0
4 years ago
8.00*10^-5 mol was diluted to 500ml what is the concentration in Mol/L?
OLEGan [10]
Make sure all units are consistent. Convert ml to L first. (500ml = 0.5L). Then divide the mole by the volume which would result to 1.6*10^-4mol/L. This can also be expressed as interms of molarity (M). 1 M = 1 mol/L hence the final answer is <span>1.6*10^-4 M. </span>
8 0
4 years ago
Read 2 more answers
6. The point on the surface of the Earth directly above the hypocenter of an earthquake. The hypocenter is the place where the r
meriva

Answer:

6. The point on the surface of the Earth directly above the hypocenter of an earthquake. The hypocenter is the place where the rupture of the plate boundary that led to the earthquake first happened.What point on the earth’s surface is directly above the focus?Epicenter

Explanation:

epicenter is the answer

5 0
3 years ago
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myrzilka [38]

Answer:

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Explanation

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Which portion of the heating curve represents an increase in kinetic energy
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C. Line segment CD
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