4 Questions
What is the charge of an electron?
Negative
Where are protons and neutrons found in an atom?
In the middle (nucleus)
What is the atomic number of an element?
The number of protons or electrons in one atom of the element
What is the mass of an electron in atomic mass units (amu)?
1/2000 amu
Test your knowledge of atomic structure and elements with this quiz. Learn about the subatomic particles and their properties, as well as how atoms are organized into elements.
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