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10 Cards in this Set
- Front
- Back
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How are electrons arranged on the first three energy levels of an atom?
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2:8:18
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Define an isotope and give an example
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An isotope is an atom that has a different neutron number. This means the atom has the same atomic number but that has a different mass number. Cl 35 Cl 37
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What is an ion?
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An ion is an atom that has lost or gained electrons, therefore giving the atom a positive or negative charge
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What are the names of groups I, II, VII and 0 of the periodic table?
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Alkali metals, Alkali earth metals, Halogens and Noble gases
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What are the 4 blocks of the periodic table called?
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S block, P block, D block & F block
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What are the first three, most common, most reactive elements of the reactivity series?
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Potassium (K)
Sodium (Na) Calcium (Ca) |
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What products do you get from a metal oxide + acid reaction?
Give an example |
Salt and Water
Sodium hydroxide + nitric acid Potassium hydroxide + Sulphuric acid |
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Give a definition of both an 'endothermic' and an 'exothermic' reaction
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An exothermic reaction gives heat energy out, an endo thermic reaction takes heat energy in
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What does O.I.L.R.I.G. stand for
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Oxidation is loss reduction is gain
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Define oxidation
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Oxidation is defined as the loss of electrons
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