reactions of period 3 elements with oxygen

Question 1

describe the reaction between Na and oxygen ? what does it form ?

Answer 1

• burns with a yellow flame
• produces a white solid

Question 2

state the equation of the reaction between sodium and oxygen

Answer 2

4 Na (s) + O2 (g) –> 2 Na2O (s)

Question 3

describe the reaction between magnesium and oxygen ?

Answer 3

• burns with a bright white light
• white solid is produced and that is seen as smoke

Question 4

state the equation for the reaction between magnesium and oxygen

Answer 4

2 Mg (s) + O2 (g) —> 2 MgO (s)

Question 5

describe the reaction between aluminium and oxygen ?

Answer 5

• burns with a bright white light
• a white solid is produced in the form of smoke

Question 6

state the equation for the reaction between aluminium and oxygen

Answer 6

4 Al (s) + 3 O2 (g)—> 2 Al2O3 (s)

Question 7

describe the reaction between silicon and oxygen ?

Answer 7

• burns with a bright white light
• forms a white solid which is seen as smoke

Question 8

state the equation between silicon and oxygen

Answer 8

Si (s) + O2 (g) —> SiO2 (s)

Question 9

describe the reaction between phosphorus and oxygen ?

Answer 9

• burns with a bright white flame / light
• produces a white solid in the form of smoke

Question 10

state the equation for the reaction between phosphorus and oxygen ?

Answer 10

P4 (s) + 5 O2 (g)—> P4O10 (s)

Question 11

what are the2 products that sulfur can produce in a reaction with oxygen ?

Answer 11

• sulfur dioxide
• sulfur trioxide

Question 12

state the equation between sulfur and oxygen to make sulfur dioxide ?

Answer 12

S (s) + O2 (g) —> SO2 (g)

Question 13

state the equation between sulfur and oxygen to produce sulfur trioxide ?

Answer 13

SO2 (g) + 0.5 O2 (g) —> SO3 (g)