Promethium - Simple English Wikipedia, the free encyclopedia

“Promethium is a synthetic radioactive chemical element that has the symbol Pm on the periodic table. It has the atomic number 61 which means it has 61 protons in its atom. It is the only synthetic element in the Lanthanide group as all its isotopes are radioactive. Together with Technetium, these...” (from the page’s text)

Topic

Not categorised yet

Quality

Not rated yet

Language

Not detected yet

Text on page

650 characters

Page size

119 kB

Answered

OK (200), HTML

Last read

7 Oct 2026

In our index since

7 Oct 2026

Safe search

Safe score 1.00 of 1

Links to it

1 link from 1 site