What element has 19 electrons?
Understand the Problem
The question is asking to identify the chemical element that has 19 electrons. In atomic theory, the number of electrons in a neutral atom equals the number of protons, so we will look for the element with an atomic number of 19.
Answer
Potassium
The final answer is Potassium
Answer for screen readers
The final answer is Potassium
More Information
Potassium (K) is found in Group 1 of the Periodic Table and is a highly reactive metal, particularly with water.
Tips
Common mistakes include confusing the atomic number with the number of electrons in ions or mistaking potassium for its isotope potassium-40.
Sources
- The web page with info on - Hobart Intermediate School - hobart.k12.in.us
- What element has 19 electrons? - Answers - answers.com
- The element potassium has an atomic number of 19 and a mass number 39 - BYJU'S - byjus.com
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