Level 2
Level 1

1-10


10 words 0 ignored

Ready to learn       Ready to review

Ignore words

Check the boxes below to ignore/unignore words, then click save at the bottom. Ignored words will never appear in any learning session.

All None

Ignore?
водород
1
хелий
2
литий
3
берилий
4
бор
5
въглерод
6
азот
7
кислород
8
флуор
9
неон
10