3.2 Periodic table

What is the basic unit of an element?

• Ion

• Atom

• Molecule

• Compound

What is the chemical symbol for Hydrogen?

• H

• Ho

• He

• Hy

What is the rule for the first letter in a chemical symbol?

• Always small letter

• Always capital letter

• Can be small or capital

• No rule

What is the classification of elements on the left-hand side of the zigzag line in the periodic table?

• Gases

• Metals

• Non-metals

• Liquids

Which element exists as a liquid at room temperature?

• Neon

• Bromine

• Fluorine

• Oxygen

What is the thermal conductivity of metals?

• Poor conductors of electricity

• Good conductors of electricity

• Poor conductors of heat

• Good conductors of heat

What is the appearance of non-metals?

• Shiny

• Malleable

• Brittle

• Dull

What is the physical state of non-metals at room temperature?

• Solid

• Liquid

• Gas

• All of the above

What is the group labelled in increasing order from left to right in the periodic table?

• Random order

• Horizontal row

• Vertical column

• Diagonal line

What is the arrangement of elements in the periodic table?

• Decreasing proton number

• Alphabetical

• Increasing proton number

• Random