State second ionisation energies c

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Reference no: EM13181102

Q1. The elements of group 1 (Li-Cs) are very electropositive because of A. they all have small atomic radii B. they all have high second ionisation energies C. their ions all have a high charge density D. they all have low first ionisation energies Q2. Radium occurs below barium in group 2. On the basis of the trends in the chemistry of group 2, which of the following statements is true? [explain your answer] A. radium sulfate is more soluble in water than Magnesium sulfate B. radium carbonate is more easily decomposed by heating than magnesium carbonate C. radium hydroxide is more soluble in water than calcium hydroxide D. radium carbonate is very soluble in water

Reference no: EM13181102

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