2) Identify
a) any 5 elements in and around your area. Give its symbols,
Chemical name, atomic number and electronic configuration.
b) any 5 Chemical Compounds which we are using at home.Give its chemical
formula and its chemical name.
c) any 5 homogenous mixtures we can prepare at home.Suggest a method of
separation.
d) any 5 heterogenous mixtures we can prepare at home.Suggest a method of
separation.
Give a brief description of the bold terms and then write your analysis
Answers
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2
Answer:
Water - Formula: H2O = Hydrogen2 + Oxygen. ...
Hydrogen Peroxide - Formula: H2O2 = Hydrogen2 + Oxygen2 ...
Salt - Formula: NaCl = Sodium + Chlorine. ...
Baking Soda - Formula: NaHCO3 = Sodium + Hydrogen + Carbon + Oxygen3 ...
Octane - Formula: C8H18 = Carbon8 + Hydrogen18
C2H6O: Alcohol. NaCl: Salt. C2H6O: Ethanol. C2H4O2: Vinegar. NH3: Ammonia. C2H4O2: Acetic Acid. C4H10: Butane.
H2SO4 : Sulfuric Acid. CH4: Methane.
C12H22O11: Sucrose. C3H8: Propane.
NaHCO3: Baking Soda. N2O: Nitrogen. C6H8O7: Citric Acid. C8H18: Octane. C10H16O: Camphor.
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Answer:
identify any five element in and around your area give its chemical name atomic number and electronic configuration give a verified description of each and write your analysis
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