×

Protactinium
Protactinium
☒

Erbium
Erbium
☒



ADD ⊕
Compare
▼
X
Protactinium
X
Erbium

Protactinium and Erbium Periodic Table
Add ⊕

Periodic Table

Symbol

Pa
Er

Group Number

33
0 17
👆🏻

Period Number

76
2 7
👆🏻

Block

f block
f block

Element Family

Actinide
Lanthanide

CAS Number

74401337440520
7429905 54386242
👆🏻

Space Group Name

I4/mmm
P63/mmc

Space Group Number

139.00194.00
11 276
👆🏻

Compare Actinide Series » More

Actinide Series » More

Actinide Series » More

Americium Metal
Americium
Neptunium Electron Configuration
Neptunium
Actinium Metal
Actinium

Compare Actinide Series » More

Erbium Metal
Mendelevium Electron Configuration
Erbium vs Mendelevium
Erbium Metal
Fermium Electron Configuration
Erbium vs Fermium
Erbium Metal
Nobelium Metal
Erbium vs Nobelium

© 2015 - 2026 www.compareusvista.com

Developed & Maintained by softUsvista Inc.