Ions are electrically charged particles formed when atoms lose or gain electrons.
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Which type of ions are metals more likely to form?
Positive (anions)
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What are the correct properties of ionic compounds?
High melting and boiling points
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Do ionic compounds conduct electicity?
Only when molten or aqeous and not when solid.
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Is barium sulfate soluble or insoluble?
INSOLUBLE
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Name all types of carbonate salts that are soluble
Sodium, Potassium and Ammonium salts
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Is lead nitrate soluble or insoluble?
SOLUBLE- all nitrates are soluble.
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What colour would barium produce in a flame test?
Pale green
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What colour would Lithium produce in a flame test?
Red
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What colour flame would Sodium produce?
Orange
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How do you test for a sulfate ion?
add barium sulfate to water and if there are sulfate ions present, a white precipitate wil be formed.
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How do you test for halide ions?
You can test for chloride, bromide, iodide ions by using silver nitrate. if the silver halide precipiatate is formed (white, cream or yellow) then the halide is present.
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How do you test for carbonate ions?
when carbon dioxide is bubbled through limewater the limewater will turn milky.
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Barium sulfate is toxic. Why is it given to patients?
because it does not dissolve in the blood as it is insoluble.
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Which elements were discovered using spectroscopy?
Caesium and Helium
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What colour precipitate does silver iodide form in a halide test?
Silver iodide forms a pale yellow precipitate.
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Other cards in this set
Card 2
Front
Which type of ions are metals more likely to form?
Back
Positive (anions)
Card 3
Front
What are the correct properties of ionic compounds?
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