Химични елементи и вещества
Authored by Татяна Николова
Chemistry
6th - 7th Grade
Used 27+ times
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17 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
В кой ред са записани само прости вещества?
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
В кой ред са записани само сложни вещества?
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Простите вещества са изградени от:
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Кои са основните градивни частици?
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Коя от изброените частици е електронеутрална?
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Атомите нямат заряд, защото протоните в тях са:
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Кой от признаците се отнася САМО за йони (но не и за атомите)?
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