Periodic table of elements – Information Sheet
The periodic table of elements puts all known elements into groups with similar properties. This is a basic introduction to an important scientific tool.
Science Ideas and Concepts
Scientific study requires a basic knowledge and understanding of ideas and concepts. This collection explains the ideas that are fundamental to Just Elemental.
List of Science Ideas and Concepts resource items
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How elements are formed – Information Sheet
Our world is made of elements and combinations of elements called compounds, but where did they come from?
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The essential elements – Information Sheet
Mammals like ourselves are thought to use only 25 of the 116 known elements. Most of these 25 are only needed in very small amounts. They are known as trace elements.
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Hydrogen – the number 1 element – Information Sheet
Hydrogen is the most abundant element in the universe. Although the Earth’s atmosphere contains little hydrogen, many uses have been found for it.
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Metals, alloys and metal compounds – Information Sheet
Metals, their alloys and their compounds play a vital role in our daily lives.
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Radioisotopes – Information Sheet
Atoms with the same atomic number (number of protons) can have different mass numbers (sum of protons plus neutrons). The different forms are called isotopes, and radioactive isotopes (radioisotopes) can be very useful.
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The structure of the nucleus – Information Sheet
At the centre of the atom is a tiny, dense, positively charged structure called the nucleus. What have recent particle accelerator experiments designed to probe the structure of the nucleus revealed?
