Sagot :
Answer:
Group 13 Melting point 660.323°C, 1220.581°F, 933.473 K
Period 3 Boiling point 2519°C, 4566°F, 2792 K
Block p Density (g cm−3) 2.70
Atomic number 13 Relative atomic mass 26.982
State at 20°C Solid Key isotopes 27Al
Electron configuration [Ne] 3s23p1 CAS number 7429-90-5