4648756
Descrição
Quiz por haaniaaamir13, atualizado more than 1 year ago
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Criado por haaniaaamir13
aproximadamente 8 anos atrás
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Questão 1
Questão
Which of the two elements Mg and Al has a more stable structure?
Responda
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Mg
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Al
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Both have stable structure
Questão 2
Questão
As we go from left to right in a period, the atomic radius
Responda
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Increases
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Decreases
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Does not change
Questão 3
Questão
According to the Pauling scale, the most electronegative element is
Responda
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Francium
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Cesium
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Fluorine
Questão 4
Questão
Electronegativity is defined as
Responda
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A measure of the charge on the electrons surrounding the nucleus in an atom.
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A measure of the tendency of an atom to attract a bonding pair of electrons.
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A measure of the tendency of an atom to attract an electron towards itself.
Questão 5
Questão
In going from left to right in a period, the electronegativity values
Responda
-
Decrease
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Increase
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Increase and then decrease
Questão 6
Questão
The electronegativity value of Argon is
Responda
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0.7
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3
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No value
Questão 7
Questão
The structures of elements, as you go from left to right in a period, change as follows
Responda
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Na, Mg and Al have metallic structures. Si has giant covalent structure. P, S, Cl, Ar are simple molecules.
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Na, Mg and Al are simple molecules. Si has metallic structure. P, S, Cl, Ar have a covalent structure.
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All elements have same structure.
Questão 8
Questão
The electrical conductivity in period 3, as you move from left to right in the period
Responda
-
Increases
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Decreases
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Remains constant
Questão 9
Questão
The forces of attraction between the molecules of Phosphorous, Sulphur, Chlorine and Argon are
Responda
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Van der Waal attractions
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Ionic bonds
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Covalent bonds
Questão 10
Questão
The melting and boiling points of Phosphorous, Sulphur, Chlorine and Argon as compared to ones of previous elements in the period are
Responda
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Lower
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Higher
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Equal
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