Question

four short properties of nitrogen​

Answer 1

Atomic number 7

Boiling point -195.8 °C

Vanderwaals radius 0.092 nm

Ionic radius 0.171 nm (-3) ; 0.011 (+5) ; 0.016 (+3)

Isotopes 4

Answer 2

hey mate , here's your answer....

Nitrogen gas (chemical symbol N) is generally inert, nonmetallic, colorless, odorless and tasteless. Its atomic number is 7, and it has an atomic weight of 14.0067. Nitrogen has a density of 1.251 grams/liter at 0 C and a specific gravity of 0.96737, making it slightly lighter than air.

some more details.....

•Atomic number:-

7

•Atomic mass:-

14.0067 g.mol -1

•Electronegativity according to Pauling:-

3.0

•Density:-

1.25*10-3 g.cm-3 at 20°C

•Melting point:-

-210 °C

•Boiling point:-

-195.8 °C

•Vanderwaals radius:-

0.092 nm

•Ionic radius:-

0.171 nm (-3) ; 0.011 (+5) ; 0.016 (+3)

•Isotopes:-

4

•Electronic shell:-

[ He ] 2s22p3

•Energy of first ionisation:-

1402 kJ.mol -1

•Energy of second ionisation:-

2856 kJ.mol -1

•Energy of third ionisation:-

4578 kJ.mol -1

•Discovered by:-

Rutherford in 1772

...hope this helps you...