10 Questions
How many valence electrons does a sodium atom have?
1
What is the electron configuration of a helium atom?
1s2
How many electron configurations are there for gold?
4
Which element has the electron configuration 1s2 2s2 2p2?
Carbon
How many valence electrons does a calcium atom have?
2
Which element is in Group 18?
Helium
What is the total number of electrons in a fluorine atom?
9
Which electron shell contains the most inner electrons?
2p
In which group is calcium located?
2
What is the total number of electron shells in a gold atom?
6
Test your knowledge on the valence electrons of elements. Understand the concept of valence electrons and how they determine the reactivity of atoms. Learn about the relationship between valence electrons and an atom's outermost energy level.
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