unit 1 g7

Which of these elements are a Non-Metal?

• Copper

• Gold

• Oxygen

Name the metal which is in liquid state.

• Iron

• Mercury

• Zinc

• Aluminium

Elements can be classified according to their properties and electronic structure into

• Metals and non-metal

• Metals only

• Non-metals only

• Metals,non-metals and noble gases

Elements contain less than 4 electrons in outermost energy level

• Non-metals

• Metals

• Inert gases

• No correct answer

Elements contain more than 4 electrons in outermost energy level

• Metals

• Non-metals

• Nobel gases

• No correct answer

..................is the only liquid non-metal element

• Bromine

• Mercury

• Iron

• water

..........tend to lose electrons and change to positive ion during chemical reaction

• Metals

• Non-metals

• Inert gases

• No correct answer

..........tend to gain or share electrons and change to negative ion during chemical reaction

• Metals

• Non-metals

• Inert gases

• No correct answer

Covalent bonds are between...

• Metal and Non-metal
• Non-metal and Non-metal
• Metal and Metal

Ionic bonds are between...

• Metal and Non-metal
• Non-metal and Non-metal
• Metal and Metal