A group 2 metal, X, fizzes when added to water. When a solution of sodium sulphate is added to a solution of XCl2, a white precipitate is formed. Identify X.
Question 2
2.
A group 2 metal, X, fizzes when added to water. When a solution of sodium sulphate is added to a solution of XCl2, a white precipitate is formed. Write an equation for the reaction with water.
Question 3
3.
A group 2 metal, X, fizzes when added to water. When a solution of sodium sulphate is added to a solution of XCl2, a white precipitate is formed. Write an equation of XCl2 with sodium sulphate.
Question 4
4.
A group 2 metal, Y, has no visible reaction when added to water. When a solution of potassium hydroxide is added to a solution the nitrate of Y, a white precipitate is formed. Identify Y.
Question 5
5.
A group 2 metal, Y, has no visible reaction when added to water. When a solution of potassium hydroxide is added to a solution the nitrate of Y, a white precipitate is formed. Write equations for the reaction of nitrate of Y with potassium hydroxide.
Question 6
6.
State the trend in the atomic radius down Group 2 from MG to Ba and give a reason for this trend.
Question 7
7.
State and explain the trend in melting points of the elements down Group 2 from Mg to Ba.
Question 8
8.
State and explain the trend in in ionisation energy of the elements down Group 2 from Mg to Ba.
Question 9
9.
State whether the following is soluble in water: radium hydroxide.
Question 10
10.
State whether the following is soluble in water: radium sulphate.
Question 11
11.
Is the first ionisation energy of radium more or less than that of barium? Explain your reasoning.
Question 12
12.
Is the melting point of radium more or less than that of barium? Explain your reasoning.