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18 votes
18 votes
The number of protons in this element is __________.

8


2


4


6

The number of protons in this element is __________. 8 2 4 6-example-1
User Mbabramo
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1 Answer

14 votes
14 votes

Answer: 2 protons

Step-by-step explanation:

The element number, 2 for He, is the number of protons in the nucleus. The 4.0026 is the average atomic mass of He.

User Hetelek
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