Fichas
KS3 Chemistry - Elements and Compounds
Fichas del conjunto (20)
- 1What would NaCl mean?Salt! "Na" means sodium, "Cl" means Chloride, so NaCl means sodium chloride (also known as salt!)
- 2How many atoms would there be in Pb5B8C?There would be 14. 5 Pb (or lead) atoms, 8 B (or boron) atoms, and one C (or carbon) atom.
- 3What is an elementA substance that contains a single type of atom only
- 4What is a compoundA substance that contains two, or more, different types of atom bonded together
- 5What is a moleculea substance that contains two, or more atoms bonded together (the atoms can be the same e.g. O2 or different e.g. NaCl)
- 6What is an atomThe smallest particle of a substance that keeps the properties of that substance
- 7how does calcium help usUsed for the positive strengthening of the teeth and bones
- 8How does oxygen help usIt helps us to survive
- 9Where could silver be found inIn our mirrors
- 10Where could gold be found inJewellery
- 11Where could we find strontiumToothpaste for sensitive teeth
- 12Magnesium + Oxygen ----> ?Magnesium oxide
- 13Iron + chlorine ---------->?Iron chloride
- 14hydrogen + oxygen ----->Water
- 15Aluminium + iodine ----->Aluminium iodide
- 16How to name compoundsWhen two elements react together they form a compound. The compound has two parts to its name. The first part is the same as the metal. The second part is an adapted version of the non-metal, the ending is changed to -ide
- 17Properties of MetalsGood Conductors
Shiny
High Density
Sonorous
Malleable and ductile - 18Properties of non-metalspoor conductors of heat and electricity
Dull
Low Density
Non-Sonorous
Brittle when struck - 19Magnetic Yes or No? Sulphur Iron Iron SulphideSulphur No
Iron Yes
Iron Sulphide No - 20Appearance? Sulphur? Iron? Iron Sulphide?Sulphur: Yellow Solid
Iron: A silvery-grey colour
Iron sulphide: dull brittle solid
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- Year 8 (Chemistry) Core Science Fichas sobre KS3 Chemistry - Elements and Compounds, creado por Jeswin James el 05/09/2018.
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- Jeswin James
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