Y
Yttrium · element 39
Transition Metal · Solid at room temperature
Yttrium is a chemical element with symbol Y and atomic number 39. It is a silvery-metallic transition metal chemically similar to the lanthanides and it has often been classified as a "rare earth element". Yttrium is almost always found combined with the lanthanides in rare earth minerals and is never found in nature as a free element.
Key facts
Atomic mass
88.905842 u
how heavy one atom is
Phase (room temp.)
Solid
Density
4.472 g/cm³
how tightly packed it is
Melting point
1799 K (1526 °C)
when solid turns to liquid
Boiling point
3203 K (2930 °C)
when liquid turns to gas
Period
5
its row in the periodic table
Group
3
its column in the periodic table
Block
D-block
the neighbourhood it lives in
Electronegativity
1.22
how strongly it pulls electrons
Electron configuration
[Kr] 4d1 5s2
where its electrons live
Shells
2 · 8 · 18 · 9 · 2
electrons in each layer, inside to out
Discovered by
Johan Gadolin
who found it
Appearance
silvery white
what it looks like
Source: Wikipedia