22174282
Descripción
Test por Amy Cachia, actualizado hace más de 1 año
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Creado por Amy Cachia
hace casi 5 años
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Pregunta 1
Pregunta
How many covalent bonds does Carbon form?
Respuesta
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None, it does not form covalent bonds.
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2
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3
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4
Pregunta 2
Pregunta
The structure normally associated with ionic bonding is ...
Respuesta
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a giant lattice.
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a simple molecule.
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a giant molecule.
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a regular arrangement of ions surrounded by a sea, or cloud, of electrons.
Pregunta 3
Pregunta
All the substances listed are solids at room temperature. Which substance has a simple molecular structure?
Respuesta
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Sodium
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Chlorine
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Graphite
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Strontium
Pregunta 4
Pregunta
Magnesium is in group 2 in the periodic table. Which of the following formulae for magnesium compounds is correct?
Respuesta
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MgO2
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MgO
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Mg2O
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Mg2O2
Pregunta 5
Pregunta
Why does sodium chloride not conduct electricity in its solid form?
Respuesta
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Ions in its structure are in fixed positions.
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It contains no free electrons.
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It has a giant covalent molecular structure.
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Ions in its structure only have single negative and single positive charges.
Pregunta 6
Pregunta
Which of the following statements explains why silicon dioxide has a high melting point?
Respuesta
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It has a giant ionic structure with strong electrostatic attraction between ions.
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It has a giant covalent structure with strong covalent bonds between atoms.
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It has a simple molecular structure with weak forces between molecules.
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It has a giant metallic structure with a strong attraction between positive ions and the sea of electrons.
Pregunta 7
Pregunta
Which of the following does not contain ionic bonds?
Respuesta
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Sulfur dioxide
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Sodium oxide
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Silver oxide
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Strontium oxide
Pregunta 8
Pregunta
Statement 1: sodium chloride has a high melting point.
Statement 2: ions are arranged in a regular lattice.
Respuesta
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Both statements are correct.
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Only statement 1 is correct.
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Only statement 2 is correct
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None of the statements are correct.
Pregunta 9
Pregunta
Which of the following is not a property of substances with ionic bonding?
Respuesta
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High melting point
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Crystalline
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Conduct electricity in molten state
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Conduct electricity in solid state
Pregunta 10
Pregunta
Which of the following does not contain covalent bonds?
Respuesta
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Hydrogen chloride
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Sodium chloride
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Graphite
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Diamond
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