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Chemistry Topics 3&4
Topic 3- Atoms and the Periodic Table Topic 4- How Atoms Combine
Question | Answer |
---|---|
Name 6 Synthetic Elements? | Americium. Cirium. Berkelium. Californium. Ciresleium. Fermium. |
Explain the term 'Synthetic' | These elements are man made by scientist in laboratories. |
Where is the nucleus located in an atom? | The nucleus is located in the middle of the atom as a tiny dot. |
Where are the protons, neutrons and electrons located in the atom? | the protons and neutrons exist inside the nucleus and the electrons surround it. |
List the names of the elements in Group 1 (the alkali metals) | Hydrogen, Lithium, Sodium, Potassium, Rubidium, Caesium and Francium |
List the names of the elements in Group 7 (the halogens) | Fluorine, Chlorine, Bromine, Iodine and Astatine. |
List the names of the elements in Group 8 (the noble gases) | Helium, Neon, Argon, Krypton, Xenon and Radon |
Why are the Transition metals important in industry? | They are important because they are used to make catalysts. |
What is an ion? | An ion is a charged particle |
How does an atom become an ion? | By gaining or losing electrons. |