Elements that don`t end in "um" or "on"

Most element names end in either "um" or "on" Can you name the ones that don't
Quiz by tom88
Rate:
Last updated: March 9, 2016
You have not attempted this quiz yet.
First submittedMarch 9, 2016
Times taken48
Average score62.5%
Report this quizReport
4:00
Enter answer here
0
 / 24 guessed
The quiz is paused. You have remaining.
Scoring
You scored / = %
This beats or equals % of test takers also scored 100%
The average score is
Your high score is
Your fastest time is
Keep scrolling down for answers and more stats ...
Answer
Antimony
Arsenic
Astatine
Bismuth
Bromine
Chlorine
Cobalt
Copper
Fluorine
Gold
Hydrogen
Iodine
Lead
Manganese
Mercury
Nickel
Nitrogen
Oxygen
Phosphorus
Silver
Sulphur
Tin
Tungsten
Zinc
+1
Level 52
Mar 9, 2016
TantalUM ?
+1
Level 72
Mar 9, 2016
haha woops... I had originally done it as "ium" and then decided to make it "um" in order to eliminate a few more of them. I guess I forgot to take that one out. Thanks!