Zusammenfassung der Ressource
Frage 1
Frage
When atoms combine to form a molecule by sharing electrons, what type of bonds are formed?
Antworten
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covalent
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hydrogen
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ionic
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polar ionic
Frage 2
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A metallic bond is formed between
Antworten
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a metal atom and a hydrogen atom
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a metal atom and a nonmetallic atom
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a metal atom and a noble gas
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two metal atoms
Frage 3
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The bonds found in C2H4 are
Antworten
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covalent
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ionic
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metallic
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polar
Frage 4
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Which is a covalent compound
Frage 5
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Salts are compounds that form a crystal lattice. Which types of bonds are responsible for this lattice formation?
Antworten
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covalent
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hydrogen
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ionic
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polar
Frage 6
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The electrostatic attraction between atoms in a salt is
Antworten
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strongest when the ions are small
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weakest when one of the ions is hydrogen (atomic number 1)
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strongest when one of the ions is potassium (atomic number 19)
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strongest when one of the ions is iodine (atomic number 53)
Frage 7
Frage
Which illustration most likely represents a liquid?
Frage 8
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At room temperature, which substance has the weakest intermolecular forces?
Antworten
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oxygen
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salt
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steel
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uranium
Frage 9
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Why are Lewis dot structures used?
Antworten
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to show what type of bonds are formed
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to show valence electrons
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to show electronegativity values
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to show intermolecular forces
Frage 10
Frage
Fluorine has seven electrons in its Lewis dot structure. What is the electron configuration for fluorine?
Antworten
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1s²2s²
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1s²2s²2p³
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1s²2s²2p⁴
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1s²2s²2p⁵
Frage 11
Frage
The electron configuration for an atom of iron is [Ar] 3d⁶4s². Which is the correct Lewis dot structure for iron?
Frage 12
Frage
The Lewis dot structure for Cl2 is shown below. What is the probable shape of Cl2?
Antworten
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bent
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linear
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pyramidal
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tetrahedral