Reactivity of Metals and Non-Metals

This video tutorial from Free Science Lessons covers the reactivity of metals with water and acids, constructing a reactivity series, and explaining electron transfer in metal reactions. It demonstrates the vigorous reactions of Group 1 metals like potassium, sodium, and lithium with water, and discusses the reactivity of metals like calcium, magnesium, zinc, iron, and copper with dilute acids. The video also introduces the reactivity series, including non-metals like carbon and hydrogen, and explains how metals lose electrons to form positive ions.

What is the main objective of the video?

• To learn about the periodic table

• To explore the uses of metals in industry

• To construct a reactivity series using metal reactions

• To understand the history of chemistry

Which metal reacts most vigorously with water?

• Lithium

• Potassium

• Sodium

• Calcium

What is produced when sodium reacts with water?

• Sodium chloride and oxygen

• Sodium hydroxide and hydrogen gas

• Sodium carbonate and carbon dioxide

• Sodium oxide and water

How does calcium's reaction with water compare to potassium's?

• Calcium reacts more vigorously than potassium

• Calcium and potassium react at the same rate

• Calcium does not react with water

• Calcium reacts less vigorously than potassium

Which metals do not react with water at room temperature?

• Calcium and lithium

• Magnesium and zinc

• Iron and copper

• Potassium and sodium

Why should potassium not be reacted with dilute acids?

• It reacts too vigorously and is dangerous

• It forms a toxic gas

• It forms a solid precipitate

• It does not react at all

Which non-metals are included in the reactivity series?

• Oxygen and nitrogen

• Carbon and hydrogen

• Sulfur and phosphorus

• Chlorine and fluorine

What happens to metals when they react?

• They gain electrons

• They lose electrons and form positive ions

• They remain unchanged

• They form negative ions

Which metal is least likely to form a positive ion?

• Calcium

• Copper

• Sodium

• Potassium

What determines the reactivity of a metal?

• Its color

• Its atomic mass

• Its ability to lose electrons and form a positive ion

• Its ability to gain electrons