Zusammenfassung der Ressource
Frage 1
Frage
How many covalent bonds does Carbon form?
Frage 2
Frage
The structure normally associated with ionic bonding is ...
Frage 3
Frage
All the substances listed are solids at room temperature. Which substance has a simple molecular structure?
Antworten
-
Sodium
-
Chlorine
-
Graphite
-
Strontium
Frage 4
Frage
Magnesium is in group 2 in the periodic table. Which of the following formulae for magnesium compounds is correct?
Frage 5
Frage
Why does sodium chloride not conduct electricity in its solid form?
Antworten
-
Ions in its structure are in fixed positions.
-
It contains no free electrons.
-
It has a giant covalent molecular structure.
-
Ions in its structure only have single negative and single positive charges.
Frage 6
Frage
Which of the following statements explains why silicon dioxide has a high melting point?
Antworten
-
It has a giant ionic structure with strong electrostatic attraction between ions.
-
It has a giant covalent structure with strong covalent bonds between atoms.
-
It has a simple molecular structure with weak forces between molecules.
-
It has a giant metallic structure with a strong attraction between positive ions and the sea of electrons.
Frage 7
Frage
Which of the following does not contain ionic bonds?
Antworten
-
Sulfur dioxide
-
Sodium oxide
-
Silver oxide
-
Strontium oxide
Frage 8
Frage
Statement 1: sodium chloride has a high melting point.
Statement 2: ions are arranged in a regular lattice.
Antworten
-
Both statements are correct.
-
Only statement 1 is correct.
-
Only statement 2 is correct
-
None of the statements are correct.
Frage 9
Frage
Which of the following is not a property of substances with ionic bonding?
Frage 10
Frage
Which of the following does not contain covalent bonds?
Antworten
-
Hydrogen chloride
-
Sodium chloride
-
Graphite
-
Diamond