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Common formulae
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Common formulae. Can you remember the formulae for these compounds?. Hydrogen gas. H 2. Don’t forget the two!. Nitric acid. HNO 3. All acids contain hydrogen!. Sodium chloride. NaCl. This is salt that you put on your food. Sodium carbonate. Getting tricky now!. Na 2 CO 3.
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Common formulae
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Presentation Transcript
Common formulae Can you remember the formulae for these compounds?
H2 Don’t forget the two!
HNO3 All acids contain hydrogen!
NaCl This is salt that you put on your food
Sodium carbonate Getting tricky now!
Na2CO3 The carbonate ion is CO32-
Magnesium Sulphate This is lovely in the bath!
Sodium hydroxide Great for cleaning drains!
Nitrogen gas Nearly 80% of the atmosphere
CaCl2 Because calcium is in group 2!
Mg(OH)2 A magnesium ion is Mg2+ and hydroxide is OH-
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