QQuestionChemistry
QuestionChemistry
"How many protons, electrons, and neutrons, respectively, does
31
P have?"
6 months agoReport content
Answer
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Step 1: Identify the atomic number and mass number from the given information.
In this case, the atomic number of phosphorus is 15 (denoted as $${}_{15}^{31}\text{P}$$), and the mass number is 31.
The atomic number of an element is the number of protons in its nucleus, and the mass number is the sum of the number of protons and neutrons.
Step 2: Determine the number of protons.
Since the atomic number is the number of protons, there are 15 protons in a phosphorus atom.
Final Answer
- Number of protons: 15 - Number of neutrons: 16 - Number of electrons: 15
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