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WorksheetsCHEMISTRY ASSESSMENT
Total questions: 12
Worksheet time: 11mins
Carbon is atomic number (a) (1 Mark)
Which of the following is the correct chemical symbol of copper (1 Mark)
Co
Cu
C
Cp
How many groups are there in the periodic table (1 Mark)
7
6
8
4
Which one of the following is the correct chemical formula of Calcium nitrate (4 Marks)
Ca3N2
CaN
Ca(NO2)2
Ca(NO3)2
Metal + Acid ------> (2 Marks)
Base + Hydrogen
Salt + Hydrogen
Base + Water
Salt + Water
When magnesium hydroxide reacts with dilute sulphuric acid, it forms ____________ (Choose two) (4 Marks)
Magnesium Chloride
Water
Magnesium Sulphate
Hydrogen
Which of the equations below is well-balanced? (Choose one) (4 Marks)
Mg(s) + 2HCl(aq)----> MgCl2(aq) + H2(g)
2Mg(s)+2HCl(aq)---->2MgCl2(aq)+H2(g)
Mg(s) + HCl(aq)----> MgCl2(aq) + H2(g)
Mg(s) + HCl(aq)----> MgCl2(aq) + 4H2(g)
Which one of the following statements is true (2 Marks)
Magnesium hydroxide and copper (II) oxide are bases
Calcium oxide is a metal
The table above shows a periodic table. What is the name given to metals occupying region labelled M? (2 Marks)
(a)
Which one of the following represents the correct electron arrangement of Magnesium? (2 Marks)
2.2.8
2.8.8.2
2.8.2
None of the above
Which one of the following is the correct atomic structure of phosphorus? (5 Marks)
Which element comes immediately after Phosphorus in the periodic table
Silicon
Sodium
Sulphur
