What element has 2 protons, 2 neutrons, and 2 electrons?
Understand the Problem
The question is asking for the identification of a chemical element based on its subatomic particles, specifically the number of protons, neutrons, and electrons it contains. In this case, an element with 2 protons, 2 neutrons, and 2 electrons corresponds to helium.
Answer
Helium
The element is helium.
Answer for screen readers
The element is helium.
More Information
Helium is a colorless, odorless, inert gas that is composed of two electrons, two protons, and usually two neutrons. It is the second element in the periodic table.
Tips
A common mistake is confusing the element's properties with isotopes of other elements.
Sources
- The web page with info on - Example Source - engines.egr.uh.edu
- One atom of Helium has 2 electrons, 2 protons and 2 neutrons ... - byjus.com
- Atomic Number 2 on the Periodic Table - ThoughtCo - thoughtco.com
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