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WorksheetsLSS Chemical Formulae: How much do you remember?
Total questions: 10
Worksheet time: 5mins
What is the charge of ammonium ion?
1+
2+
+1
+2
What is the chemical formula of potassium iodide?
KCl
PI
KI
PCl
Which of the following transition metals have two or more charges?
Zn and Cu
Ag and Fe
Fe and Cu
Pb and Ag
Which of the following statements is wrong?
Lead can only form one type of ions.
Ionic bond is the electrostatic forces of attraction between ions.
Iron forms cations.
Carbon does not form ions easily.
What is the chemical formula of barium carbonate?
BaCO2
Ba2CO3
Ba2CO2
BaCO3
Which of the following elements does not usually form ions?
Mg
O
Si
Be
Which is the correct chemical formula for copper (I) sulfate?
CuSO4
Cu2SO4
Cu(SO4)2
(Cu)2SO4
What is the name of Ca(HCO3)2?
calcium hydrogen carbon oxide
calcium hydrogencarbonate
calcium carbonate
calcium hydrocarbonate
Which of the following has a different charge from the rest?
nitrate ion
chloride ion
sulfide ion
hydroxide ion
How many atoms are present in this chemical formula: Al2(CO3)3 ?
3
6
10
14
