Answer :
Final answer:
A nitrogen atom with a 3- charge has five protons, which does not change regardless of its charge. The ion formed is called a nitride ion (N³-). Thus, the number of protons in nitrogen is always five.
Explanation:
Nitrogen Atom with a 3- Charge
A nitrogen atom, regardless of its charge, always has the same number of protons. For instance, a nitrogen atom has a total of five protons. This is true for both neutral nitrogen and nitrogen with a 3- charge.
When nitrogen gains three electrons to form a nitride ion (N³-), it acquires a total of eight electrons. However, the number of protons remains unchanged at five. Therefore, regardless of its electron gain, the number of protons in a nitrogen atom with a 3- charge is:
- 5 protons
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