Chemistry 0620 · IGCSE · Group I properties

Group I properties — practice question

The table lists some properties of several elements in Group I of the Periodic Table. Rubidium is another element in Group I of the Periodic Table. Which row gives the properties of rubidium?

  • Amelting point $39\,^{\circ}\text{C}$; fizzes slowly
  • Bmelting point $39\,^{\circ}\text{C}$; fizzes explosively
  • Cmelting point $81\,^{\circ}\text{C}$; fizzes very vigorously
  • Dmelting point $81\,^{\circ}\text{C}$; fizzes explosively

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