Problem: Write the chemical symbols for three different atoms or atomic cations with 19 electrons.

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We’re being asked to write the chemical symbols for three different atoms or atomic cations with 19 electrons.


An element can be represented as:


Atomic number (Z): 


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Problem Details

Write the chemical symbols for three different atoms or atomic cations with 19 electrons.

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What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Subatomic Particles concept. You can view video lessons to learn Subatomic Particles. Or if you need more Subatomic Particles practice, you can also practice Subatomic Particles practice problems.