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Questão 1
Questão
Which statement about elements is correct?
Responda
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Most elements are metals
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Most elements are non-metals
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There are about the same number of metals and non-metals
Questão 2
Questão
Where are the metals found in the periodic table?
Responda
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On the left
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On the right
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Scattered all over
Questão 3
Questão
Which of the following is a general property of non-metals?
Responda
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Shiny
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Good heat conductor
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Poor heat conductor
Questão 4
Questão
Which of the following is a general property of metals?
Responda
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Brittle
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Strong
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Poor conductor of heat
Questão 5
Questão
An element sinks in water and makes a ringing sound when hit. It is most likely to be:
Responda
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A metal
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A non-metal
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An alloy
Questão 6
Questão
Which of these is an element in group 2?
Responda
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Sodium
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Aluminium
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Calcium
Questão 7
Questão
Which element from this list will be most similar to neon?
Responda
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Zinc
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Argon
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Fluorine
Questão 8
Questão
Who developed the modern periodic table?
Responda
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Isaac Newton
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Dmitri Mendeleev
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Gregor Mendel
Questão 9
Questão
What is produced when magnesium burns in air?
Responda
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Magnesium oxide
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Magnesium hydroxide
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Magnesium carbonate
Questão 10
Questão
What term can be used to describe non-metal oxides?
Responda
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Acids
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Alkalis
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Bases
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