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PERIODICITY - INORGANIC 2

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卡片总数: 24 张•内容版本: v4•公开卡包•更新时间: 8/1/2026

卡片预览 (24 张)

#1
正面 (问题)

equation for the reaction of sodium with water

背面 (解答)

2Na(s) + 2H2O(aq) –> 2NaOH(aq) +H2 (g)

#2
正面 (问题)

Describe what is observed when sodium reacts with water

背面 (解答)

fizzing due to H2 being produced, moves on surface

#3
正面 (问题)

equation for the reaction of magnesium with steam

背面 (解答)

Mg(s) + H2O(g) –> MgO(s) + H2(g)

#4
正面 (问题)

Describe what is observed when magnesium reacts with steam

背面 (解答)

-Mg burns with bright white light, -white solid formed

#5
正面 (问题)

equation for the reaction of Na with oxygen

背面 (解答)

2Na + 1/2O2 –> Na2O

#6
正面 (问题)

Describe what is observed when reacts Na with oxygen

背面 (解答)

-Na burns with orange/yellow flame, -white solid produced

#7
正面 (问题)

equation for the reaction of Mg with oxygen

背面 (解答)

Mg(s) + 1/2O2(g) –> MgO(s)

#8
正面 (问题)

Describe what is observed when Mg reacts with oxygen

背面 (解答)

Mg burns with bright white flame, white solid produced

#9
正面 (问题)

equation for the reaction of Al with oxygen

背面 (解答)

4Al + 3O2 –> 2Al2O3

#10
正面 (问题)

equation for the reaction of Al2O3 + NaOH

背面 (解答)

Al2O3 + 2NaOH + 3H2O –> 2 NaAl(OH)4

#11
正面 (问题)

equation for the reaction of Si with oxygen

背面 (解答)

Si(s) + O 2 (g) –> SiO 2 (g)

#12
正面 (问题)

Describe what is observed when Si reacts with oxygen

背面 (解答)

Si burns with a white flame, grey solid formed

#13
正面 (问题)

equation for the reaction of P with oxygen

背面 (解答)

P4 (s) + 5O2(g) –> P4O10(s)

#14
正面 (问题)

Describe what is observed when P reacts with oxygen

背面 (解答)

-P burns with a white flame, -white solid formed

#15
正面 (问题)

equation for the reaction of S with oxygen

背面 (解答)

S8(s) + 8O2 (g) –> 8SO 2 (g)

#16
正面 (问题)

Describe what is observed when S reacts with oxygen

背面 (解答)

S burns with a blue flame, gaseous SO2 formed (turns UI red)

#17
正面 (问题)

Explain how to produce SO3

背面 (解答)

React SO2 with O2 with V2O5 catalyst

#18
正面 (问题)

equation for the reaction of Na2O with water -state the pH of the solution formed

背面 (解答)

Na2O + 2H2O –> 2NaOH pH 14

#19
正面 (问题)

equation for the reaction of MgO with water -state the pH of the solution formed

背面 (解答)

Mg + H2O –> Mg(OH)2 pH 10

#20
正面 (问题)

Explain why MgO produces a less basic solution than Na2O

背面 (解答)

Mg(OH)2 is sparingly soluble in water, much lower OH - ion concentration

#21
正面 (问题)

Explain why Al2O3 and SiO2 do not react with water

背面 (解答)

lattice too strong to break

#22
正面 (问题)

equation for the reaction of P4O10 with water, state the pH of the solution formed

背面 (解答)

P4O10 + 6H2O –> 4H3PO4 pH 1-2

#23
正面 (问题)

equation for the reaction of SO2 with water, state the pH of the solution formed

背面 (解答)

SO2 + H2O –> H2SO3 pH 1-2

#24
正面 (问题)

equation for the reaction of SO3 with water, state the pH of the solution formed

背面 (解答)

SO3 + H2O –> H2SO4 pH 1-2