chemistry

jazzy_angel1997
Flashcards by jazzy_angel1997, updated more than 1 year ago More Less
jazzy_angel1997
Created by jazzy_angel1997 over 5 years ago
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MANY CARDS THAT WILL HELP YOU REMEMBER THINGS THAT MAY COME UP IN YOUR GCSE!
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Question Answer
____ chloride is used to test for sulfates, gives a white precipitate BARIUM
arrangement of positive and negative ions in a repeating pattern to form a 3D structure ? LATTICE
Ions that cause fizzing (effervescence) when added to acid? CARBONATES
Chemical used to test for carbon dioxide goes cloudy/milky? LIMEWATER
____ Meal eaten by patients, who are X-raid BARIUM
Paper in chromatography acts as the _______ phase STATIONARY
Simple covalent structures are often _______ or liquids at room temperature GASES
Colour of copper in a flame test? GREEN/BLUE
Has 1- charge, gives a white precipitate when added to silver nitrate CHLORIDE
_______ Dioxide is the gas given off when acid reacts CARBON
Scientific word for the positive ion ? CATION
Metal that gives a red flame, has a 1+ charge LITHIUM
Type of bond formed between 2 non- metals a shared pair of electrons. COVALENT
The paper with the resulting pattern on it after chromatography has finished is _________ CHROMATOGRAM
A bond with a shared pair of electrons COVLENT
What is the charge on a non- metal ion? NEGATIVE
Type of reaction where two solutions react together to make an insoluble solid PRECIPITATION
What is a nucleus in an atom? THE CORE OF THE ATOM CONTAINS PROTONS AND NEUTRONS
What is the colour of chloride precipitates also colour of precipitate formed when barium chloride reacts with sulpphate ions? WHITE
Ionic compounds conduct electricity only when ______ or dissolved MOLTEN
What is a ionic compounds? COMPOUNDS THAT CONTAIN POSITIVELY CHARGED METAL IONS AND NEGATIVELY CHARGED NON-METAL IONS
Simple convalent structures don't ______ electricity CONDUCT
Distance of spot/distance of solvent front=RF___ VALUE
Before evaporation, wash the insoluble solid with ____ water to removes impurities. DISTILLED
Number of covalent bonds around each carbon atom in diamond FOUR
Technique used to separate coloured substances CHROMATOGRAPHY
Colour of sodium in flame test (____/orange) YELLOW
How atoms are arranged in graphite _______ and in layers HEXAGONAL
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