8Gc Metals & water

Last updated 5 months ago

12 questions

Match the correct statement to match the observation of alkali metals

Draggable item		Corresponding Item
Rubidium		releases hydrogen gas, moves around the container
Potassium		releases hydrogen gas, moves around the container quickly, forms a ball
Lithium		releases hydrogen gas, lilac flame
Caesium		violent reaction, hydrogen gas released very quickly
Sodium		very violent reaction, hydrogen gas is released very quickly

The table below shows the reactivity series of metals with reactions in air and cold water. The reactivity increases as you move up the series.