Nitrogen has atomic number of seven. Which of the following must be true based on the fact?
1. An atom of nitrogen must have seven electrons
2. Them of nitrogen must have three protons and four electrons
3. An atom of nitrogen must have seven protons
4.An atom of nitrogen must have for protons and three electrons
Answers: 1
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Nitrogen has atomic number of seven. Which of the following must be true based on the fact?
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