Reactions and Properties of Metals

This video tutorial covers the physical and chemical properties of metals. It explains that metals are generally shiny, lustrous, and sonorous, with most being solid at room temperature except for mercury and gallium. Metals can be hard or soft, and they are good conductors of heat and electricity, though some like lead and mercury are not. Chemically, metals lose electrons to form positive ions and react with oxygen to form oxides. The video also discusses how metals react with water, acids, and other elements, highlighting the formation of compounds like hydroxides, chlorides, and nitrates.

Which of the following metals is not solid at room temperature?

• Mercury

• Copper

• Iron

• Aluminum

What property allows metals to be drawn into wires?

• Conductivity

• Sonorousness

• Ductility

• Malleability

How do metals typically react with oxygen?

• They form acids

• They form oxides

• They do not react

• They form bases

Which metal forms a protective oxide layer when exposed to air?

• Sodium

• Silver

• Magnesium

• Gold

Which metal reacts explosively with cold water?

• Lead

• Sodium

• Magnesium

• Calcium

What gas is produced when metals react with water?

• Nitrogen

• Carbon dioxide

• Dihydrogen

• Oxygen

What is formed when metals react with dilute hydrochloric acid?

• Metallic chlorides

• Metallic oxides

• Metallic nitrates

• Metallic sulfates

Which metal does not produce hydrogen with very dilute nitric acid?

• Iron

• Magnesium

• Copper

• Zinc

What do metals form when they react with chlorine?

• Chlorides

• Oxides

• Sulfates

• Nitrates

Which of the following elements can combine with metals to form hydrides?

• Nitrogen

• Chlorine

• Oxygen

• Hydrogen