How many different isotopes of the element were in the sample? describe how to use the information from the mass spectrum to determine the average atomic mass of the element. Identify the element. Finally write a ground-state electron configuration of an atom of the element you previously identified above.
Answers
Answered by
2
gn JC an Han..........
Answered by
2
Answer:
A. There are 3 isotopes of the element in the sample.
n24, n25,n26
B. Given that
n24 is 80 amu
n25 is 10 amu
n26 is 10 amu
average mass = 80x24 + 10x25 + 10x26/ 100
Average mass = 24.3 amu
C. From the periodic table Magnesium has 24.3 amu
D. 1s2 2s2 2p6 3s2
Explanation:
A. There are 3 isotopes of the element in the sample.
n24, n25,n26
B. Given that
n24 is 80 amu
n25 is 10 amu
n26 is 10 amu
average mass = 80x24 + 10x25 + 10x26/ 100
Average mass = 24.3 amu
C. From the periodic table Magnesium has 24.3 amu
D. 1s2 2s2 2p6 3s2
Similar questions