В каком ответе указан символ элемента кислорода?
-
Na
-
O
-
Cl
-
F
← Previous
→ Next
Space — Show answer
🎯 Take a test on the topic «Основные понятия химии»
This topic contains 30 questions.
Test your knowledge!
🔐 Log in to take the test
📚 All tests by subject «Химия»
View all collections and topics in Химия
Go to subject →