Hydrogen is believed to be one of three elements produced in the Big Bang, alongside helium and lithium. Most of the energy on our planet is due to hydrogen. This is due to the Sun converting hydrogen to helium, releasing vast amounts of energy. It is the most abundant element in the universe. It will also form covalent bonds with itself and other atoms.
GCSE scientists – you need to be able to explain what covalent bonding is. You also need to be able to draw dot and cross diagrams to represent a number of different covalent conpounds, including hydrogen. If you need some help with this, check out Part 1 of our “How to work with Covalent Bonding” revision guide. It explains what a covalent bond is, and takes you through a number of different compounds, showing how they bond. Example questions and answers are also included to check your understanding.
Click on the picture below to see the guide.
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