What is the atomic number of N?

Answer 1

A periodic table will help here...

Look on the periodic table and find the symbol #N# on it. Then, look at the top left number. What does it say? All periodic tables should have the same number for nitrogen, #N#, which is #7#.

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Answer 2

Serenity Allen

Nitrogen's (N) atomic number is 7.

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

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