17589751
Description
Flashcards by Jemima Arnold, updated more than 1 year ago
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Created by Jemima Arnold
over 5 years ago
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| Question | Answer |
| All substances are made of ____ | Atoms |
| Substances made of only one type of atom is called an ________ | Elements |
| What are the Alkali Metals? (6) What group are they in? What are their charges? | Lithium Li Sodium Na Potassium K Rubidium Rb Caesium Cs Francium Fr Group 1 +1 |
| What are the Alkaline Earth Metals? What group are they in? What are their charges? | Beryllium Be Magnesium Mg Calcium Ca Strontium Sr Barium Ba Radium Ra Group 2 +2 |
| What are the halogens? What group are they in? What is their charge? | Fluorine F Chlorine Cl Bromine Br Iodine I Astatine At 7 -1 |
| What are the Noble Gases? What group are they in? What is their charge? | Helium He Neon Ne Argon At Krypton Kr Xenon Xe Radon Rn Group 0 No charge (unreactive) |
| In an atom: What is the top number? What is the bottom number? | Relative Atomic Mass (protons + neutrons) Atomic number (proton / electron number) |
| What are compounds? | Two or more types of atom chemically bonded together |
| Examples of common compounds | H2O (water) CO2 (carbon dioxide) SO2 (sulphur dioxide) |
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