Mystery's Riddle 2 - Advanced Alien School

[Mistery]

Enter the

mentioned element in Wikipedia, and scroll down to Safety

[plastica]

Very sorry I still stuck on 11.
I sent PM.
Can you check my answers ?

[Mistery]

Checked
No need to be sorry, it's a difficult test

Just PM me again if you need another check.

[plastica]

Thanks a lot Mystery.
I passed the exam !!
I got excited when the answer worked.

Your help was really great.
Thank you, thank you, Mystery.

[Mistery]

Congrats Plastica for passing the test!!!
And good luck for the rest of the riddle, you're not far away from finishing it

[plastica]

Thanks I keep trying.
But stage 12 is another hard one...

[Mistery]

Yes, it is indeed difficult.

Decode clue in source.
And also read the part that is written in bigger letters very carefully

[plastica]

Thanks I got stage 12.
I noticed

the URL

[Mistery]

Well done

[plastica]

stage 18
All I got is

color

I can't make any progress.

[Mistery]

So far good track

Now look for the names of the colors. And

use some of the first letters according to the other clue on the screen

[plastica]

Thanks for the good hint.
It was simple after solved.
I'm on to 19.

[Mistery]

Well done
Yes, many levels are not that hard if you know HOW to solve them

[plastica]

Finished !
I'm back to Earth.
Thanks for the nice journy with you Mystery.
Thanks for many helps.
Thanks everyone for everything.
I'm looking forward to the next journy.

[Mistery]

Congrats Plastica for finishing the journey!