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science revision, chemstry, biology, phisics - Coggle Diagram
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chemstry
a compound formed from a non-metal and metal consists of ions the metal lose electrons to become positive and non-metal gain them to form negative ions.
this is called ionic bonding examples of this include sodium chloride, magnesium chloride and calcium oxide
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when a metal and non-metal react together the metal atom loses electrons to form a positive charged ion
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another way a compound is shown is with formula e.g.co2 is a compound from a chemical reaction with 1carbon atom and 2 oxygen
Electrons are negatively charged subatomic particles that are attracted to an orbit around the positively-charged nucleus of an atom.
biology
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Transpiration is the process of water movement through a plant and its evaporation in leafs,steams and flowers
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a stent is a metal or plastic tube inserted into the lumen of an anatomic vessel or duct to keep the passageway open
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phisics
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if you put more lamps into the circuit, there is more resistance
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