Chemistry Notes
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Chemistry Notes - Marcador
Chemistry Notes - Detalles
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| 🇬🇧 | 🇬🇧 |
| An orbit followed by electrons around an a atom | ELECTRON SHELL |
| The outer shell of an atom | VALENCE SHELL |
| The electrons on the outer shell | VALENCE ELECTRON |
| The number of protons and nucleus of an atom | ATOMIC NUMBER |
| Carbon ~ (2,4) | ELECTRON CONFIGURATIONS |
| Noble gases, halogen, alkali metal, alkali earth metal, non-metal | TYPES OF ELEMENTS |
| Alkali metals e.g. hydrogen | WHAT IS GROUP ONE KNOWN AS |
| Alkali earth metals e.g. calcium | WHAT IS GROUP TWO KNOWN AS |
| Non-metals e.g. iron | WHAT IS THREE ~ TWELVE KNOWN AS |
| Halogen gases e.g. chlorine | WHAT IS GROUP 17 KNOWN AS |
| Noble gases e.g. helium | WHAT IS GROUP 18 KNOWN AS |
| On the left hand side of the table, the reactivity increases as you go down the column(alkali) but if you go down the columns more on the right, the reactivity decreases (noble gases) | WHAT HAPPENS TO THE REACTIVITY OF ELEMENTS AS YOU MOVE DOWN THE GROUP? |
| Noble gases | WHICH GROUP OF ELEMENTS HAS A FULL VALENCE ELECTRON |
| Ions form to help make an atom more stable whether that is by losing or gaining valence electrons | WHY DO IONS FORM |
| Salt + water e.g. H2SO4 NaOH-> Na2SO4H20 | ACID + BASE = |
| Salt + carbon dioxide + water | ACID + CARBONATE = |
| 1. carbon oxide 2. sulfur trioxide 3. hydrogen bromide 4. diphosphorus pentabromide | EXAMPLES OF PREFIXES - CO2, SO3, HBr, P2Cl5 |
| Hydrogen sulfate | WHAT IS THIS TERM - H2SO4 |
| Copper sulfate | WHAT IS THIS TERM - CuSO4 |
| Sulfur dioxide | WHAT IS THIS TERM - SO2 |
| Carbon monoxide | WHAT IS THIS TERM - CO |
| Nitrogen trioxide | WHAT IS THIS TERM - NO3 |