What is the atomic number of the element shown here? (It is not hydrogen, just fictional element)
- 7.
- 3.
- 4.
Z
zoom77 asked · 1 Jun 2017
i know that atomic number Z is up on the left
Community Comments (3)
M
Matas24
21 Jun 2017
error in test
Z
zoom77
22 Jun 2017
thank you
J
Jordi
14 Jun 2020
the atomic number is right as it is ,it is 3 in this picture.The atomic mass/neucleus number/mass number is 4 you have confused it guys.
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