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Elements, compounds and mixtures

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Question 4

The table shows the names of some substances. It also shows whether each substance is an element or a compound, and the type of chemical bonding present.

a.

Complete the table by identifying whether each substance is an element or a compound, and its type of bonding (ionic, covalent, or metallic).

SubstanceElement or compoundType of bonding
water
nitrogencovalent
calcium chloridecompound
copper
[4]
b.

What is the chemical formula of calcium chloride?

  • A CaCl\text{CaCl}CaCl
  • B CaCl2\text{CaCl}_2CaCl2​
  • C Ca2Cl\text{Ca}_2\text{Cl}Ca2​Cl
  • D Ca2Cl2\text{Ca}_2\text{Cl}_2Ca2​Cl2​
[1]
c.

Which state symbol represents the physical state of nitrogen at room temperature?

  • A aq\text{aq}aq
  • B g\text{g}g
  • C l\text{l}l
  • D s\text{s}s
[1]

Elements, compounds and mixtures Questions

  1. IGCSE
  2. /Chemistry
  3. /Elements, compounds and mixtures