Ne
Neon · element 10
Noble Gas · Gas at room temperature
Neon is a chemical element with symbol Ne and atomic number 10. It is in group 18 (noble gases) of the periodic table. Neon is a colorless, odorless, inert monatomic gas under standard conditions, with about two-thirds the density of air.
Key facts
Atomic mass
20.17976 u
how heavy one atom is
Phase (room temp.)
Gas
Density
0.9002 g/L
how tightly packed it is
Melting point
24.56 K (-249 °C)
when solid turns to liquid
Boiling point
27.104 K (-246 °C)
when liquid turns to gas
Period
2
its row in the periodic table
Group
18
its column in the periodic table
Block
P-block
the neighbourhood it lives in
Electron configuration
[He] 2s2 2p6
where its electrons live
Shells
2 · 8
electrons in each layer, inside to out
Discovered by
Morris Travers
who found it
Appearance
colorless gas exhibiting an orange-red glow when placed in a high voltage electric field
what it looks like
Source: Wikipedia