Adding or removing protons from the nucleus changes the charge of the nucleus and changes that atom's atomic number. So, adding or removing protons from the nucleus changes what element that atom is
Answer:Please find the attachment
Explanation:
<u>Answer:</u> The amount of sample left after 20 years is 288.522 g and after 50 years is 144.26 g
<u>Explanation:</u>
We are given a function that calculates the amount of sample remaining after 't' years, which is:
![A_t(t)=458\times (\frac{1}{2})^{\frac{t}{30}](https://tex.z-dn.net/?f=A_t%28t%29%3D458%5Ctimes%20%28%5Cfrac%7B1%7D%7B2%7D%29%5E%7B%5Cfrac%7Bt%7D%7B30%7D)
Putting values in above equation:
![A_t(t)=458\times (\frac{1}{2})^{\frac{20}{30}](https://tex.z-dn.net/?f=A_t%28t%29%3D458%5Ctimes%20%28%5Cfrac%7B1%7D%7B2%7D%29%5E%7B%5Cfrac%7B20%7D%7B30%7D)
![A_t(t)=288.522g](https://tex.z-dn.net/?f=A_t%28t%29%3D288.522g)
Hence, the amount of sample left after 20 years is 288.522 g
Putting values in above equation:
![A_t(t)=458\times (\frac{1}{2})^{\frac{50}{30}](https://tex.z-dn.net/?f=A_t%28t%29%3D458%5Ctimes%20%28%5Cfrac%7B1%7D%7B2%7D%29%5E%7B%5Cfrac%7B50%7D%7B30%7D)
![A_t(t)=144.26g](https://tex.z-dn.net/?f=A_t%28t%29%3D144.26g)
Hence, the amount of sample left after 50 years is 144.26 g
There is no chemical change
Answer:
Explanation:
Principal quantum no "n" = 3
Azimuthal quantum no "l"= 1
Magnetic quantum no "m"= +1/2
Over all is 3pz