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Chemistry Year 10
- Atoms and Elements
- Elements are the basic building blocks of the matter
- Elements cannot be broken into anything simpler than chemical means
- Each Element has there own symbol
- Elements are made up of atoms and all the atoms of an element are all the same
- The atomic structure of an element detremines it's possition in the perodic table of elements
- Each atom contains a small positivley charged region called an electron
- The nucleus is made up of two types of particles
- Proton - positivley charged
- Neutron - negativley charged
- Proton - positivley charged
- Light negativley charged electrons orbit around the nucleus
- Each atom of a particular element has the same number of protons
- The number of protons is known as the atomic number and every element has a diffreient one
- The number of protons is known as the atomic number and every element has a diffreient one
- The mass of an element is called a relative atomic mass
- Elements are the basic building blocks of the matter
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