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28 Cards in this Set
- Front
- Back
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Element |
Substance consisting of one type of atom |
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Compound |
Substance consisting of two or more elements chemically combined |
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Mixture |
Substance containing |
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Molecule |
A group of atoms chemically joined e.g. water H₂O, Oxygen O₂ |
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Electrons |
Negative charge, and whizzing around the outside |
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Protons |
Positively charged and in the nucleus` |
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Neutrons |
No charge and in nucleus |
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Hydrogen |
H |
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Carbon |
C |
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Sulphur |
S |
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Iron |
Fe |
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Sodium |
Na |
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Oxygen |
O |
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Nitrogen |
N |
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Calcium |
Ca |
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Helium |
He |
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Magnesium |
Mg |
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Basic and Solid |
Metal Oxides are ? and ? |
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Acidic and Gases |
Non-metal oxides are ? and ? |
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Two or more |
Compounds are formed when ? combine |
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different properties |
Compounds have ? to the elements that combine to make them |
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-ide |
Two elements joined together e.g. Iron + Sulphur |
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-ate |
More than two elements joined together with oxygen as one of them |
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not |
Before reaction, Iron is magnetic. Iron sulphide is ? |
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Conservation of mass |
Magnesium gets heavier when heated in air because it chemically combines with Oxygen to form Magnesium oxide
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not chemically joined |
Mixtures are two elements or compounds that are together but ??? |
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good
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Dissolving is a ? way to form a mixture |
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easily
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Mixtures can be ??? separated |
