3370562
Descripción
Test por Dannie Couture, actualizado hace más de 1 año
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Creado por Dannie Couture
hace más de 9 años
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Pregunta 1
Pregunta
Which of the following characteristics are not associate with metals?
Respuesta
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Shiny
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Semi-Conductors
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Malleable
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Ductile
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Usually is gaseous phase at room temperature
Pregunta 2
Pregunta
All the elements in the same [blank_start]period[blank_end] (row) of the periodic table have the same number of electron shells or orbits
Respuesta
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period
Pregunta 3
Pregunta
All the elements in the same [blank_start]group[blank_end] (column) of the periodic table have the same number of valence electrons
Respuesta
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group
Pregunta 4
Pregunta
Identify the element shown in the picture
Respuesta
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Li
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Be
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Na
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Mg
Pregunta 5
Pregunta
How many electron shells does a Potassium element have?
Respuesta
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2
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3
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4
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5
Pregunta 6
Pregunta
How many electron shells does an Aluminum element have?
Respuesta
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1
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2
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3
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4
Pregunta 7
Pregunta
Select all the elements from the following list which are in group 3A of the periodic table?
Respuesta
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B
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Al
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Mg
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Na
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Ga
Pregunta 8
Pregunta
Associate each of the following descriptions with its category of elements:
Usually reacts to acids and corrodes [blank_start]Metals[blank_end]
7 elements that are semi-conductors [blank_start]Metalloids[blank_end]
Category that is mostly formed of gases at room temperature and include Hydrogen [blank_start]Non-metals[blank_end]
Respuesta
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Metals
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Metalloids
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Non-metals
Pregunta 9
Pregunta
Give the symbol of the element that has 2 electron orbits and has 6 electrons on its last shell. [blank_start]O[blank_end]
Respuesta
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O
Pregunta 10
Pregunta
Give the symbol of the element that has 3 electron shells and 7 valence electrons. [blank_start]Cl[blank_end]
Respuesta
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Cl
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