Q.1
Which of these metals is a pure element?
  • Brass
  • Bronze
  • Silver
  • Steel
Q.2
The correct chemical symbol for magnesium is .......
  • Mg
  • mg
  • MG
  • mG
Q.3
An element is a substance that .......
  • Can be split up by physical methods
  • Can be split up into simpler parts by a chemical reaction
  • Is made up of different kinds of atom
  • Is made up of only one kind of atom
Q.4
When two elements combine, the name of the compound will end in .......
  • -ATE
  • -IDE
  • -ITE
  • -IUM
Q.5
C is the correct chemical symbol for .......
  • Calcium
  • Carbon
  • Chlorine
  • Cobalt
Q.6
When the elements lead and bromine combine together, the name of the substance formed is called .......
  • Lead bromate
  • Lead bromide
  • Lead bromite
  • Lead bromium
Q.7
The smallest part of an element is called .......
  • A mixture
  • A molecule
  • An atom
  • An ion
Q.8
Which of these show a diatomic element?
  • CO
  • H₂
  • He
  • SO₂
Q.9
Which of these substances is an element?
  • Air
  • Fire
  • Oxygen
  • Water
Q.10
Which of these substances is an element?
  • Chlorine
  • Ice
  • Methane
  • Sodium chloride
0 h : 0 m : 1 s