Creado por unluckycat76
hace casi 10 años
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Pregunta | Respuesta |
What are the 3 sub-atomic particles in an Atom? | Protons Neutrons Electrons |
What are the charges of the sub-atomic particles? | Protons - Positive Neutrons - Neutral (no charge) Electrons - Negative |
What is the name given to the Group 1 elements? | Alkaline Metals |
What is the name given to the Group 0 elements? | Noble Gases |
The Periodic Table places elements in order of their.... | Atomic Mass |
What are the elements of the symbols H, Na, Mg, C, O and He? | H - Hydrogen Na - Sodium Mg - Magnesium C - Carbon O - Oxygen He - Helium |
The number of Protons in an atom is the same as the number of? | Electrons in the atom |
How many types of Atoms are in each Elements? | One |
What is a compound? | When different elements react chemically and bond together. |
What is Ionic Bonding? | When a metal and non-metal bond chemically |
In Ionic Bonding, what element gains electrons to become a negative ion? | Non-metal element |
What is a Covalent Bond? | When non-metals share an electron with another atom |
Limestone is mainly made up of? | Calcium Carbonate |
What are the products of the reaction when Calcium Carbonate is thermally decomposed? | Calcium Oxide and Water |
What are the products of the reaction when Calcium Carbonate reacts with sulphuric acid? | Water, Calcium Sulphate and Carbon Dioxide |
When powdered Limestone is put in a kiln with powdered clay what does it produce? | Cement |
What are the main disadvantages of quarrying Limestone? | It destroys the landscape and habitats Creating limestone products causes pollution |
What are the three main methods of extracting metal from ores? | Displacement Electrolysis Reduction |
In the Reactivity Series, what metals must be extracted using electrolysis? | Potassium Sodium Calcium Magnesium Aluminium |
In the Reactivity Series, what metals must be extracted using reduction by Carbon? | Zinc Iron Tin Copper |
What element is purified by electrolysis? | Copper |
What is the liquid used in electrolysis called? | Electrolyte |
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