1
Q
What are shells
A
Layers around an atom’s nucleus that contain a fixed number of electrons
2
Q
What are the maximum number of electrons a shell can hold
A
1st shell- 2 electrons
2nd shell- 8 electrons
3rd shell- 8 electrons
Chemistry
flashcards
Decks in class (70)
# Cards
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C1.1 Atoms7
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C1.2 Chemical equations3
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C1.3 Separating mixtures8
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C1.4 Fractional distillation and paper chromatography3
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C1.5 History of the atom5
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C1.6 Structure of the atom7
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C1.7 Ions, atoms, and Isotopes5
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C1.8 Electronic structures2
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C2.1 Development of the periodic table0
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C2.2 Electronic structures and the periodic table0
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C2.3 Group 1- the alkali metals0
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C2.4 Group 7- the halogens0
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C2.5 Explaining trends0
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C3.1 States of matter10
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C3.2 Atoms into ions4
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C3.3 Ionic bonding2
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C3.4 Giant ionic structures3
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C3.5 Covalent bonding2
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C3.6 Structure of simple molecules3
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C3.7 Giant covalent structures4
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C3.8 Fullerenes and graphene3
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C3.9 Bonding in metals1
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C3.10 Giant metallic structures3
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C4.1 Relative masses and moles0
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C4.2 Equations and calculations0
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C4.3 From masses to balanced equations0
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C4.4 Expressing concentrations0
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C5.1 The reactivity series8
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C5.2 Displacement reactions2
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C5.3 Extracting metals6
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C5.4 Salts from metals5
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C5.5 Salts from insoluble bases2
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C5.6 Making more salts4
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C5.7 Neutralization and the pH scale3
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C5.8 Strong and weak acids1
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C6.1 Introduction to electrolysis0
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C6.2 Changes at the electrodes0
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C6.3 The extraction of aluminum0
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C6.4 Electrolysis of aqueous solutions0
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C7.1 Exothermic + Endothermic reactions0
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C7.2 Using energy transfers from reactions0
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C7.3 Reaction profiles2
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C7.4 Bond energy calculations3
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C8.1 Rate of reaction3
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C8.2 Collision theory and surface area4
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C8.3 The effect of temperature1
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C8.4 The effect of concentration and pressure1
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C8.5 The effect of catalysts0
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C8.6 Reversible reactions0
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C8.7 Energy and reversible reactions0
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C8.8 Dynamic equilibrium0
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C8.9 Altering conditions0
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C9.1 Hydrocarbons11
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C9.2 Fractional distillation of oil2
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C9.3 Burning hydrocarbon fuels2
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C9.4 Cracking hydrocarbons0
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C10.1 Pure substances and mixtures0
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C10.2 Analysing chromatograms0
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C10.3 Testing for gases1
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C11.1 History of our atmosphere0
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C11.2 Our evolving atmosphere0
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C11.3 Greenhouse gases0
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C11.4 Global climate change0
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C11.5 Atmospheric pollutants0
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C12.1 Finite and renewable resources0
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C12.2 Water safe to drink0
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C12.3 Treating waste water0
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C12.4 Extracting metals from ores0
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C12.5 Life cycle assessments0
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C12.6 Reduce, reuse, and recycle0
