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Erstellt von jazzy_angel1997
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____ chloride is used to test for sulfates, gives a white precipitate
arrangement of positive and negative ions in a repeating pattern to form a 3D structure ?
Ions that cause fizzing (effervescence) when added to acid?
Chemical used to test for carbon dioxide goes cloudy/milky?
____ Meal eaten by patients, who are X-raid
Paper in chromatography acts as the _______ phase
Simple covalent structures are often _______ or liquids at room temperature
Colour of copper in a flame test?
Has 1- charge, gives a white precipitate when added to silver nitrate
_______ Dioxide is the gas given off when acid reacts
Scientific word for the positive ion ?
Metal that gives a red flame, has a 1+ charge
Type of bond formed between 2 non- metals a shared pair of electrons.
The paper with the resulting pattern on it after chromatography has finished is _________
A bond with a shared pair of electrons
What is the charge on a non- metal ion?
Type of reaction where two solutions react together to make an insoluble solid
What is a nucleus in an atom?
What is the colour of chloride precipitates also colour of precipitate formed when barium chloride reacts with sulpphate ions?
Ionic compounds conduct electricity only when ______ or dissolved
What is a ionic compounds?
Simple convalent structures don't ______ electricity
Distance of spot/distance of solvent front=RF___
Before evaporation, wash the insoluble solid with ____ water to removes impurities.
Number of covalent bonds around each carbon atom in diamond
Technique used to separate coloured substances
Colour of sodium in flame test (____/orange)
How atoms are arranged in graphite _______ and in layers