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Period 3 reactions
Question | Answer |
---|---|
What is the product formed when Na reacts with oxygen? | Sodium oxide |
What is observed when magnesium metal burns in oxygen? | a bright white light |
Which metal reacts the slowest with oxygen; Na, Mg or Al? | Al? |
What is the formula of the product formed between Al and O? | Al2O3 |
What are the products of the reaction between Na and water? | sodium hydroxide and hydrogen |
What is the pH of the solution formed when Na and water react? | pH 12-14 |
What are the products formed when Mg and steam react? | MgO and hydrogen gas |
What is observed when Mg is added to water? | A white precipitate forms and a colourless, odourless gas evolved |
Does Al react with water? | No |
Describe the product formed between S and oxygen | A colourless, acidic, reducing gas |
Does chlorine react with oxygen? | No |
Which of the period 3 elements DO NOT react with water or steam? | Si, P, S |
Is the reaction between Al and steam fast or slow? | Slow |
Name the products of the reaction between Al and steam | aluminium oxide and hydrogen gas |
What are the formulas of the oxides of phosphorus which form when P and oxygen react? | P4O10 and P4O6 |
What is the formula of the product formed when Na and chlorine react? | NaCl |
What is the formula of the product formed when Mg and chlorine react? | MgCl2 |
What is the formula of the product formed when Al and chlorine react? | Al2Cl3 |
Describe the product formed when Si burns in chlorine | A volatile, colourless liquid |
What is the formula of the chlorides of phosphorus which can form when P reacts with chlorine. | PCl3, PCl5 |
Describe PCl3 | colourless, fuming liquid |
Describe PCl5 | off-white solid |
SiCl4 is formed by the reaction between which 2 elements? | silicon and chlorine |
What is the formula of the product formed between S and chlorine? | S2Cl2 |
What is the colour of aluminium oxide solid | white |
What is the pH of the solution formed when Al is placed in water? | pH 7 |
Na is placed into a test tube with water and Mg is placed into a second test tube with water. Which test tube gets hotter? | The one with Na |
What is the colour of NaCl and MgCl2 | white |
What is the pH of the solution formed when water and chlorine react? | pH 2-4 |