hóa =)
Flashcard
•
English
•
8th Grade
•
Practice Problem
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
Nguyên tử sodium cho bao nhiêu electron trong phản ứng với chlorine?
Back
Nguyên tử sodium cho 1 electron và tạo ion dương.
2.
FLASHCARD QUESTION
Front
Nguyên tử chlorine nhận bao nhiêu electron trong phản ứng với sodium?
Back
Nguyên tử chlorine nhận 1 electron và tạo ion âm.
3.
FLASHCARD QUESTION
Front
Ethylic alcohol có những tính chất nào?
Back
Chất lỏng không màu, có mùi đặc trưng, tan vô hạn trong nước.
4.
FLASHCARD QUESTION
Front
Công thức phân tử của alkane X nếu số mol CO2 thu được bằng một nửa số mol H2O là gì?
Back
CH4.
5.
FLASHCARD QUESTION
Front
Nhiều kim loại tác dụng với oxygen tạo thành oxide acid, phi kim tác dụng với oxygen thường tạo thành oxide base. Đúng hay sai?
Back
Sai.
6.
FLASHCARD QUESTION
Front
Hầu hết các nguyên tố phi kim không dẫn điện, còn các nguyên tố kim loại đều dẫn điện tốt. Đúng hay sai?
Back
Đúng.
7.
FLASHCARD QUESTION
Front
Ion dương được tạo ra khi nguyên tử nào cho electron?
Back
Nguyên tử sodium.
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