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Question

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Complete the missing information in the chart. Assume these are neutral atoms.
Element symbol __ Atomic number 7 Mass number 14 Number of protons __ number of neutrons. __ number of electrons __

Answer 1

To complete the chart for the given neutral atom, we'll use the provided information:

1. Element Symbol: The element with atomic number 7 is nitrogen (N).
2. Atomic Number: You have provided this as 7.
3. Mass Number: You have provided this as 14.
4. Number of Protons: In a neutral atom, the number of protons equals the atomic number, which is 7.
5. Number of Neutrons: The number of neutrons can be calculated using the formula:
   \[ \text{Number of Neutrons} = \text{Mass Number} - \text{Number of Protons} \]
   Substituting the values:
   \[ \text{Number of Neutrons} = 14 - 7 = 7 \]
6. Number of Electrons: In a neutral atom, the number of electrons equals the number of protons, which is also 7.

Now, we can fill in the missing information:

• Element Symbol: N
• Atomic Number: 7
• Mass Number: 14
• Number of Protons: 7
• Number of Neutrons: 7
• Number of Electrons: 7

Here's the completed information:

• Element Symbol: N
• Atomic Number: 7
• Mass Number: 14
• Number of Protons: 7
• Number of Neutrons: 7
• Number of Electrons: 7