Protactinium

Site Home

Chemistry Home

Calculator Index

About Us

Privacy Policy
                                                                                                                                                                                                                                                
Chemical Symbol:   Pa
Atomic Number:   91
Atomic Weight:   231.0359
Melting Point:    °C
Boiling Point:   4000 °C
Density of Solid:     15370 kg m-3
Electron Configuration:     1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 4f14 5s2 5p6 5d10 5f2 6s2 6p6 6d1 7s2

Abundance

Amount in average human body (70kg):   

0 mg

Average amount in Earth's crust:    1.4E-6 ppm by mass
Average amount in seawater:   

5.0E-8 µg L-1

Related links

Periodic Table


Whilst I try to keep the information on this site accurate, I'm only human and I do occasionally make mistakes. I therefore advise you to check any information before using it for anything important. If you do find any errors, please let me know so that I can correct them.

Click here to report an error on this page.

This page was last changed on: 02 August 2021.

Thanks for visiting my site.