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WorksheetsSSLG REVIEWER: SCIENCE 9
Total questions: 30
Worksheet time: 15mins
Which of the following is NOT a characteristic of ionic compounds?
High melting points
Brittle
Low solubility in water
Conduct electricity when molten or dissolved
Ionic compounds are formed by the:
Sharing of electrons
Transfer of electrons
Attraction of protons
Repulsion of electrons
The electrostatic force of attraction between oppositely charged ions is called:
Covalent bond
Ionic bond
Hydrogen bond
Metallic bond
Which of the following is an example of an ionic compound?
Methane (CH₄)
Water (H₂O)
Sodium chloride (NaCl)
Carbon dioxide (CO₂)
What type of ions are formed by metals?
Anions
Cations
Neutral ions
Polyatomic ions
What type of ions are formed by nonmetals?
Anions
Cations
Neutral ions
Polyatomic ions
The formula unit of an ionic compound represents:
The simplest whole-number ratio of ions
The actual number of ions in a crystal
The molecular weight of the compound
The number of atoms in a molecule
Which of the following properties is NOT typically associated with ionic compounds?
Crystalline structure
Ductility
High melting point
Electrical conductivity in solution
Ionic compounds generally have:
Low melting points
High melting points
Variable melting points
No melting point
Which of the following is used as a common table salt?
Potassium chloride (KCl)
Sodium chloride (NaCl)
Calcium chloride (CaCl₂)
Magnesium chloride (MgCl₂)
Which compound is used in fertilizers to provide potassium?
Potassium nitrate (KNO₃)
Sodium nitrate (NaNO₃)
Ammonium nitrate (NH₄NO₃)
Calcium phosphate (Ca₃(PO₄)₂)
Which compound is a major component of limestone and marble?
Sodium carbonate (Na₂CO₃)
Calcium carbonate (CaCO₃)
Potassium carbonate (K₂CO₃)
Magnesium carbonate (MgCO₃)
Which compound is used in the production of soap and detergents?
Sodium hydroxide (NaOH)
Potassium hydroxide (KOH)
Both a and b
None of the above
Which compound is used as a de-icer on roads and sidewalks in winter?
Sodium chloride (NaCl)
Calcium chloride (CaCl₂)
Magnesium chloride (MgCl₂)
All of the above
Which compound is used in the production of cement?
Calcium oxide (CaO)
Calcium sulfate (CaSO₄)
Calcium carbonate (CaCO₃)
All of the above
Which compound is used in photography as a fixing agent?
Sodium thiosulfate (Na₂S₂O₃)
Potassium thiosulfate (K₂S₂O₃)
Both a and b
None of the above
Which compound is a component of baking powder?
Sodium bicarbonate (NaHCO₃)
Potassium bicarbonate (KHCO₃)
Both a and b
None of the above
Which compound is used in the treatment of iron deficiency?
Ferrous sulfate (FeSO₄)
Ferric chloride (FeCl₃)
Both a and b
None of the above
Which compound is used as an electrolyte in batteries?
Potassium hydroxide (KOH)
Ammonium chloride (NH₄Cl)
Both a and b
None of the above
Which compound is used in the production of glass?
Sodium carbonate (Na₂CO₃)
Calcium carbonate (CaCO₃)
Both a and b
None of the above
Which compound is used as a drying agent in laboratories?
Calcium chloride (CaCl₂)
Magnesium sulfate (MgSO₄)
Both a and b
None of the above
Which compound is used in the production of toothpaste?
Calcium phosphate (Ca₃(PO₄)₂)
Sodium fluoride (NaF)
Both a and b
None of the above
Which compound is used as a food preservative?
Sodium nitrite (NaNO₂)
Sodium benzoate (C₇H₅NaO₂)
Both a and b
None of the above
Which compound is used in the treatment of heartburn?
Calcium carbonate (CaCO₃)
Magnesium hydroxide (Mg(OH)₂)
Both a and b
None of the above
Which compound is used as a bleaching agent?
Sodium hypochlorite (NaClO)
Calcium hypochlorite (Ca(ClO)₂)
Both a and b
None of the above
What is the name of the ionic compound formed between magnesium (Mg) and chlorine (Cl)?
Magnesium chloride (MgCl)
Magnesium dichloride (MgCl₂)
Magnesium chloride (MgCl₂)
Magnesium chlorine (MgCl)
What is the formula for calcium oxide?
CaO₂
CaO
Ca₂O
Ca₂O₂
What is the charge of the phosphate ion (PO₄)?
+3
+1
-3
-1
Which of the following ionic compounds is likely to be the most soluble in water?
Calcium phosphate (Ca₃(PO₄)₂)
Silver chloride (AgCl)
Potassium nitrate (KNO₃)
Magnesium hydroxide (Mg(OH)₂)
Which of the following is NOT a characteristic of ionic bonding?
High melting and boiling points
Strong electrostatic forces
Formation of molecules
Good electrical conductivity when molten or in solution
