foxesforlife45
13.10.2020 •
Chemistry
how are the temperature changes you observed in these investigations different than if you put something in on the stove or the refrigerator
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Ответ:
A. 25Mn45^+
B. 45Rh69^+2
C. 53I142^-
D. 97Bk^243
Explanation:
Generally Atomic mass (A)= no of protons (p) + no of neutrons (n)
No of Neutrons (n)=A-p
No of protons = Atomic number
Symbol for nulclide: zX^A
Z is Atomic number, A is Atomic mass
And X is symbol of element