What is nitrogen's group number and period number?


What is nitrogen's group number and period number?


About 78% of the Earth's atmosphere consists of nitrogen, making it the most abundant element in the atmosphere, followed by oxygen at about 20%. Nitrogen has the atomic number 7, the atomic symbol N, and it is a gas at room temperature. It exists in two stable isotopes, with the most common isotope having a mass number of 15. Nitrogen is used in fertilizers, as well as in explosives, and it can be used as an anesthetic in the form of nitric oxide, sometimes known as laughing gas.

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Nitrogen is found in group number 15. This is the 15th column of elements in a periodic table. Group 15 elements each have 5 valence shell...

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The Periodic Table: Properties of Groups and Periods


Chapter 3 / Lesson 1

Learn about the organization of the periodic table into groups and periods and how these differ. Also learn the history of the periodic table and its properties.

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