7 N 14.007

Nitrogen

DIATOMIC NONMETAL

Phase: Gas

Discovered: Daniel Rutherford

Block: P

Summary

Nitrogen is a chemical element with symbol N and atomic number 7. It is the lightest pnictogen and at room temperature, it is a transparent, odorless diatomic gas. Nitrogen is a common element in the universe, estimated at about seventh in total abundance in the Milky Way and the Solar System.

Appearance: colorless gas, liquid or solid

Source: Wikipedia

Physical Properties

Atomic Mass 14.007 u

Density 1.251 g/cm³

Melting Point 63.15 K

Boiling Point 77.355 K

Molar Heat N/A

Electron Affinity -6.8 kJ/mol

Ionization Energies

1^st: 1402.3 kJ/mol

2^nd: 2856 kJ/mol

3^rd: 4578.1 kJ/mol

4^th: 7475 kJ/mol

5^th: 9444.9 kJ/mol

6^th: 53266.6 kJ/mol

7^th: 64360 kJ/mol