Q: What are electrons at the outermost energy level of an atom are called?


Read this paragraph and choose the correct option from the provided answers:

Electrons at the outermost energy level of an atom are called valence electrons. They determine many of the properties of an element. That’s because these electrons are involved in chemical reactions with other atoms. Atoms may share or transfer valence electrons. Shared electrons bind atoms together to form chemical compounds.

 Choices:

- core electrons

- ions

- shell electrons

- valence electrons


A:
valence electrons