Gallium (Z=31): common crystalline form and physical state at room temperature?

Orthorhombic (α-gallium) — solid

Arsenic (Z=33): common allotrope/crystal structure and physical state at room temperature?

Gray arsenic, rhombohedral (A7) — solid

Gray (trigonal polymeric) — solid

Diatomic molecular (Br2) — liquid

Rhombohedral polymeric — solid

Hexagonal close-packed metal — solid

Orthorhombic allotrope — solid

Hexagonal close-packed — solid

Orthorhombic molecular — solid

Body-centered cubic (β-Zr) — solid

Hexagonal close-packed (α-Zr) — solid

Trivia · Knowledge

For each element (Z=31–40), choose the common crystalline structure or allotrope and its usual physical state at room temperature.0 takes

Preview · 10 questions

01Gallium (Z=31): common crystalline form and physical state at room temperature?
02Germanium (Z=32): common crystalline form and physical state at room temperature?
03Arsenic (Z=33): common allotrope/crystal structure and physical state at room temperature?
04Selenium (Z=34): common allotrope/crystal structure and physical state at room temperature?
05Bromine (Z=35): common molecular/crystalline form and physical state at room temperature?
06Krypton (Z=36): common form and physical state at room temperature?
07Rubidium (Z=37): common crystalline structure and physical state at room temperature?
08Strontium (Z=38): common crystalline structure and physical state at room temperature?
09Yttrium (Z=39): common crystalline structure and physical state at room temperature?
10Zirconium (Z=40): common crystalline form (α-phase) and physical state at room temperature?