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7 Cards in this Set
- Front
- Back
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What is an atom? |
The smallest part of a chemical element that can exist. Everything around us is made up of atoms. |
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What is a risk assesment ? |
A document which is read before performing experiments and practicals, which gives information about the products being used, safety measures to be taken, and hazardous ratings. |
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What are material and safety data sheets? |
A Material Safety Data Sheet (MSDS) is a document that gives health and safety information about products, substances or chemicals that are classified as hazardous substances or dangerous goods. |
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What is an electron shell? |
The layers in an atom which hold different numbers of electrons. |
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What is a proton? |
A proton is a positively charged tiny particle, smaller than an atom. Protons are too small to see, even under an electronic microscope. |
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What is a Neautron? |
A particle of about the same mass as a proton but without an electric charge. |
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What is an electron? |
Electrons orbit the nucleus in an atom. |
