2.3.2

Elements

Test yourself

Elements

If something is made completely of one type of atom, it is called an element.

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Elements

  • All the atoms in an element are identical in mass and properties.
  • Elements can be solid, liquid or gas.
    • It doesn’t matter what the physical state is, as long as all the atoms are identical.
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The periodic table

  • All the different types of atom are listed in the periodic table.
  • There are over 100 different atoms, and so over 100 different elements. Some examples of elements are:
    • Oxygen is made up of only oxygen atoms.
    • Silver is made up of only silver atoms.
    • Copper is made up of only copper atoms.

Jump to other topics

1Biology

1.1Cells, Tissues & Organs

1.2Reproduction & Variation

1.3Ecological Relationships & Classification

1.4Digestion & Nutrition

1.5Plants & Photosynthesis

1.6Biological Systems & Processes

2Chemistry

2.1Particles

2.2Chemical Reactions

2.3Atoms, Elements, Compounds

2.4The Periodic Table

2.5Materials & the Earth

2.6Reactivity

2.7Energetics

2.8Properties of Materials

3Physics

3.1Energy

3.2Forces & Motion

3.3Waves

3.4Electricity & Magnetism

3.5Matter

3.6Space Physics

4Thinking Scientifically

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