Test: Периодический закон и периодическая система. Строение атома
Vestnik: Химия ДТМ 2023 сборник тематических тестов | Questions in topic: 71 | Subject: Химия
🔒 Practice mode is available to Premium users only
Get Premium🎴 How practice mode works
- Press the “Practice” button — cards with all questions and options appear.
- Clicking a card flips it: the correct answer and solution (if any) are shown.
- Click again to flip back to the question. Works on mobile too.
- Available to Premium users and site administration.
Topic questions
7
13
15
16
21
22
23
24
31
33
37
46
47
48
50
52
53
56
59
61
62
68
Какое из состояний электрона невозможно?
Options: 4