
жер металдар
Quiz
•
Chemistry
•
11th Grade
•
Practice Problem
•
Medium
Гаухар Саметова
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10 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
1).Сілтімен реакцияға түсетін 2-ші топ элементі
А).берилий
В).кальций
С).барий
Д).стронций
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
2).Кальций және магний металдары сумен әрекеттескенде түзіледі?
А).гидроксид және су
В).гидроксид және сутек
С).оксид және су
Д).оксид және сутек
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
3).Асбест формуласы?
А).MgCO3
В).CaCO3
С).3MgO*2H2O*2SiO2
Д).3BeO*Al2O3
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
4).Сілті түзбейтін ІІ А топ элементі
А).берилий
В).кальций
С).барий
Д).стронций
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
5).Кальций гидридіндегі сутегінің тотығу дәрежесі?
А).+1
В).-1
С).-2
Д).+2
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
6).Сілтілік-жер металдардың сыртқы электрондық формуласы ... аяқталады
А).ns1
В).ns2
С).ns2np1
Д). ns2np2
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
7).Кальций минералдарына жатпайды
А).әктас
В).ғаныш
С).ангидрит
Д).алмаз
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