12537876
Description
Quiz by Carlos Puentestar, updated more than 1 year ago
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Created by Carlos Puentestar
almost 7 years ago
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Question 1
Question
Escriba los siguientes elementos y sus valientes en paréntesis
O=[blank_start]oxigeno (-2)+2+4+6[blank_end]
N=[blank_start]nitrogeno (-3)+1+3+5[blank_end]
Cl=[blank_start]cloro (-1)+1+3+5+7[blank_end]
H=[blank_start]hidrogeno (+1)[blank_end]
C=[blank_start]carbón (-4)+2+4[blank_end]
Mg= [blank_start]magnesio (+2)[blank_end]
Answer
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oxigeno (-2)+2+4+6
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nitrogeno (-3)+1+3+5
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cloro (-1)+1+3+5+7
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hidrogeno (+1)
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carbón (-4)+2+4
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magnesio (+2)
Question 2
Question
Elija verdadero o falso segun corresponda:
Los siguientes simbolos representan a metales?
Nh4
Ag
Fr
Mg
Cs
Answer
- True
- False
Question 3
Question
Escoja los simbolos correctos que son NO METALES
Answer
-
S
-
Mg
-
Na
Question 4
Question
Escoja los simbolos con sus respectivos significados
Answer
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S= Azufre
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Mg= magneto
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Sr= señor
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Ge= germanio o germanico
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C= cloro
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O= oxigeno
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Fr=francia
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Se=selenio
Question 5
Question
Elija las verdaderas valencias de los siguientes simbolos
O= oxigeno [blank_start](-2)+2+4+6[blank_end]
Mg= magnesio [blank_start](+2)[blank_end]
Answer
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(-2)+2+4+6
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(-3)+1+3+5
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(+2)
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(+1)
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