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What is the atomic number of an ion with 5 protons, 5 neutrons, and a charge of 3+?

What is the atomic number of an ion with 5 protons, 5 neutrons, and a charge of 3+?

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A. 5
B. 6
C. 8
D. 11

This question is part of Chemistry Regents Prep #1
Asked by Esthomas, Last updated: Dec 05, 2017

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4 Answers

k.Paul

K.Paul

Answered on Dec 11, 2017

On the periodic table, each element is assigned an atomic number. Besides showing its placement on the periodic table, the atomic number shows the number of protons located in the center of the atom. In this case since the element has 5 protons in it, then its atomic number is five. Using this information, you can also find out other information about the element.

Since you have the number of neutrons in this element which is 5 and the atomic number, you can add those numbers together to find the mass number of the element. Dmitri Mendeleev is known for creating the periodic table. He organized the elements based on the weight of each atom. Over time more elements were added to the table as they were discovered.

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John Adney

John Adney

Answered on May 02, 2017

Why is the answer number one? Can you please explain
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John Adney

John Adney

Answered on Apr 22, 2017

Because of the atomic number being 5. Look to reference table
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John Smith

John Smith

Answered on Dec 21, 2016

5
 Reply

John Adney

John Adney

Because of the atomic number being 5. Look to reference table

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