sarahvick sarahvick
  • 07-12-2016
  • Chemistry
contestada

An atom has a mass number of 32 and 17 neutrons. What is the atomic number of this atom?

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amyapooh14
amyapooh14 amyapooh14
  • 07-12-2016
The atomic number would be 15
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sebassandin
sebassandin sebassandin
  • 23-01-2020

Answer:

Atomic number = 15

Element = Phosphorous.

Explanation:

Hello,

In this case, taking into account that the neutrons are obtained through the following equation:

[tex]Neutrons=Mass\ Number-Protons\\[/tex]

In such a way, the protons match with the element's atomic number and therefore its identity, thus:

[tex]Protons=Mass\ Number-Neutrons\\\\Protons=32-17=15[/tex]

Therefore, the element is phosphorous.

Best regards.

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