Metals and Non-Metals

What is the most abundant non-metal in the Earth's crust?

• Silicon

• Nitrogen

• Oxygen

• Carbon

Which group of elements in the periodic table contains alkali metals?

• Group I A

• Group II A

• Group IV A

• Group III A

What property allows metals to be drawn into wires?

• Sonorous

• Malleability

• Ductility

• Lustre

Which of the following is a characteristic of non-metals?

• Good conductors of heat

• Lustrous appearance

• High density

• Brittle nature

What type of oxides do metals generally form?

• Amphoteric oxides

• Neutral oxides

• Basic oxides

• Acidic oxides

Which metal is known for its high reactivity with water?

• Gold

• Iron

• Sodium

• Copper

What is the electronic configuration of sodium?

• 2, 8

• 2, 8, 1

• 2, 8, 3

• 2, 8, 2

Which of the following metals does not react with dilute acids?

• Copper

• Magnesium

• Iron

• Zinc

What type of bond is formed when electrons are shared between two non-metal atoms?

• Metallic bond

• Covalent bond

• Hydrogen bond

• Ionic bond

Which method is used to extract metals from their ores?

• Condensation

• Evaporation

• Sublimation

• Electrolysis