Period 3
暂无描述。系统推荐的高质量记忆内容，适合每天坚持背诵学习。
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What is the equation for sodium reacting with water?
2Na(s) + 2H2O(l) -> 2NaOH(aq) + H2(g)
What is the observation for sodium reacting with water?
Orange flame
What is the equation for sodium reacting with oxygen?
4Na(s) + O2(g) -> 2Na2O(s)
What is the observation for sodium reacting with oxygen?
Bright yellow flame
What is the equation for magnesium reacting with water?
Mg(s) + H2O(g) -> MgO(s) + H2(g)
What is the observation for magnesium reacting with water?
Bubbles
What is the equation for magnesium reacting with oxygen?
2Mg(s) + O2(g) -> 2MgO(s)
What is the equation for aluminium reacting with water?
N/A
What is the equation for aluminium reacting with oxygen?
4Al(s) + 3O2(g) -> 2Al2O3 (s)
What is the observation for aluminium reacting with oxygen?
Bright white flame
What is the equation for silicon reacting with water?
N/A
What is the equation for silicon reacting with oxygen?
Si(s) + O2(g) -> SiO2(s)
What is the observation for silicon reacting with oxygen?
Bright white sparkles.
What is the equation for phosphorous reacting with water?
N/A
What is the equation for phosphorous reacting with oxygen?
4P(s) + 5O2(g) -> P4O10(s)
What is the observation for phosphorous reacting with oxygen?
Yellow or white flame
What is the equation for sulphur reacting with water?
N/A
What is the equation for sulphur reacting with oxygen?
S(s) + O2(g) -> SO2(g) (can also form SO3)
What is the observation for sulphur reacting with oxygen?
Blue flame
What is the equation for chlorine reacting with water?
Cl2(aq) + H2O(l) -> HCl (aq) + HClO(aq)
What is the observation for chlorine reacting with water?
Green solution
What is the equation for chlorine reacting with oxygen?
N/A
What is the equation for Na2O and water?
Na2O(s) + H2O(l) -> 2NaOH(aq)
What is the solubility and pH of Na2O and water?
Completely soluble, 14