7391008
Beschreibung
Quiz von Terry Boot, aktualisiert more than 1 year ago
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Erstellt von Terry Boot
vor etwa 8 Jahre
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Frage 1
Frage
Check off all the ways we can tell that a chemical change has occurred.
Antworten
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Bubbles of gas appear
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A precipitate forms
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Color change
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Temperature change
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Emission of light
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The substance has been cut up
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Phase changes
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Emission of sound
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Odor change
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Electrical energy
Frage 2
Frage
An element always loses electrons, conducts both electricity and heat, and is malleable, ductile, and shiny. What periodic family is it from?
Antworten
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Metalloid
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Non-metal
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Metal
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Liquid
Frage 3
Frage
Which elemental group is the staircase? These elements conduct electricity somewhat, some shiny, and dull, medium brittleness.
Antworten
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Alkali Metals
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Solids
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Halogens
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Metalloids
Frage 4
Frage
Which elemental group always loses one electron?
Antworten
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Alkaline Earth Metals
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Noble Gases
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Halogens
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Alkali Metals
Frage 5
Frage
Which group is reactive, and which is very unreactive?
Antworten
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Alkaline Earth Metals, Metalloids
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Alkali Metals, Halogens
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Halogens, Noble Gases
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Noble Gases, Alkaline Earth Metals
Frage 6
Frage
Which periodic family is Magnesium?
Antworten
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Metalloids
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Alkaline Earth Metals
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Halogens
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Alkali Metals
Frage 7
Frage
What is the atomic number of Fe
Antworten
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26
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6
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53
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89
Frage 8
Frage
What is the atomic mass of Oxygen?
Antworten
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69.72
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19.00
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16.00
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112.41
Frage 9
Frage
What is the (more common) ion charge of Nickel?
Antworten
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4-
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3+
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2+
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1-
Frage 10
Frage
Which scientist created this atomic theory? The Billiard Ball: Discovered atoms and compounds. Said atoms of the same element are identical.
Antworten
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Thomson
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Newton
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Rutherford
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Dalton
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