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Physics, 10.11.2020 18:30 legazzz

26. The diagram below represents information that can be found on the periodic table for the element helium. A.
4.003
3,4
C.
B. He
24D.
The atomic mass of a helium atom is indicated by the arrow at:
a. A
d. D
b. B
e. He
c. С

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