13867893
Descrição
Quiz por Elizabeth Nguyen, atualizado more than 1 year ago
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Criado por Elizabeth Nguyen
mais de 6 anos atrás
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Questão 1
Questão
When atoms combine to form a molecule by sharing electrons, what type of bonds are formed?
Responda
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covalent
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hydrogen
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ionic
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polar ionic
Questão 2
Questão
A metallic bond is formed between
Responda
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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
Questão 3
Questão
The bonds found in C2H4 are
Responda
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covalent
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ionic
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metallic
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polar
Questão 4
Questão
Which is a covalent compound
Responda
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Mg3N2
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NaCl
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NaF
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SiF4
Questão 5
Questão
Salts are compounds that form a crystal lattice. Which types of bonds are responsible for this lattice formation?
Responda
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covalent
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hydrogen
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ionic
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polar
Questão 6
Questão
The electrostatic attraction between atoms in a salt is
Responda
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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)
Questão 7
Questão
Which illustration most likely represents a liquid?
Responda
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Q
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R
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S
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T
Questão 8
Questão
At room temperature, which substance has the weakest intermolecular forces?
Responda
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oxygen
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salt
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steel
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uranium
Questão 9
Questão
Why are Lewis dot structures used?
Responda
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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
Questão 10
Questão
Fluorine has seven electrons in its Lewis dot structure. What is the electron configuration for fluorine?
Responda
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1s²2s²
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1s²2s²2p³
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1s²2s²2p⁴
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1s²2s²2p⁵
Questão 11
Questão
The electron configuration for an atom of iron is [Ar] 3d⁶4s². Which is the correct Lewis dot structure for iron?
Responda
Questão 12
Questão
The Lewis dot structure for Cl2 is shown below. What is the probable shape of Cl2?
Responda
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bent
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linear
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pyramidal
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tetrahedral
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