Exploring Metal Properties

What is the most reactive metal in the periodic table?

• Iron

• Cesium

• Sodium

• Calcium

How do metals generally react with acids?

• Metals react with acids to produce hydrogen gas and a salt.

• Metals react with acids to produce oxygen gas and water.

• Metals dissolve in acids without any reaction.

• Metals do not react with acids at all.

Which metal is known for its high conductivity?

• Copper

• Gold

• Aluminum

• Iron

What happens when sodium reacts with water?

• Sodium reacts with water to produce sodium hydroxide and hydrogen gas.

• Sodium produces only steam when it comes in contact with water.

• Sodium reacts with water to form sodium chloride and oxygen gas.

• Sodium dissolves in water without any reaction.

Which metal is less reactive: gold or aluminum?

• Iron

• Copper

• Silver

• Gold

What is the term for the ability of a metal to conduct electricity?

• Magnetic permeability

• Thermal conductivity

• Chemical reactivity

• Electrical conductivity

How does temperature affect the conductivity of metals?

• Temperature negatively affects the conductivity of metals.

• Temperature has no effect on the conductivity of metals.

• Higher temperatures increase the conductivity of metals.

• Temperature improves the conductivity of metals.

What is the reaction of magnesium with hydrochloric acid?

• Magnesium dissolves in hydrochloric acid without any reaction.

• Magnesium reacts with hydrochloric acid to form magnesium oxide and oxygen gas.

• Magnesium reacts with hydrochloric acid to produce magnesium chloride and hydrogen gas.

• Magnesium reacts with hydrochloric acid to produce magnesium sulfate and carbon dioxide.

Which metal is often used in electrical wiring due to its conductivity?

• Aluminum

• Iron

• Copper

• Lead

What is the general trend of reactivity among alkali metals?

• Reactivity decreases down the group.

• Reactivity increases up the group.

• Reactivity remains constant down the group.

• Reactivity increases down the group.