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minhieu7920
2 năm trước
Dựa vào vị trí của Cl (Z=17) trong hệ thống tuần hoàn a) Hãy nêu tính chất hóa học cơ bản của nó: - Là kim loại hay phi kim? - Hóa trị cao nhất với oxi? Công thức oxit cao nhất? - Hóa trị với hiđro? Công thức hợp chất khí với hiđro? - Viết công thức hiđroxit. Chúng có tính axit hay bazơ? b) So sánh tính chất của Cl với Cl (Z=17) và F (Z=9)?
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