Zusammenfassung der Ressource
Frage 1
Frage
Mark is telling Sally that his water is an element. Sally disagrees. Who is correct? Why?
Antworten
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Mark is correct because water is composed of only water atoms
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Sally is correct because water is composed of only water atoms
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Mark is correct because water is made up of many different atoms
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Sally is correct because water is made up of many diffrent atoms
Frage 2
Frage
Which of the following is NOT a compound?
Antworten
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salt
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water
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carbon
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sunlight
Frage 3
Frage
True or False. Corn is an element.
Frage 4
Frage
True or False. A compound is something made up of one or more elements.
Frage 5
Frage
A/An [blank_start]________[blank_end] is made up of more than one [blank_start]_______[blank_end].
Frage 6
Frage
Salt is an example of a/an [blank_start]_______[blank_end].
Frage 7
Frage
[blank_start]____[blank_end] is made of NaCl
Frage 8
Frage
Why does the chemical compound for salt (NaCl) have 2 capital letters? What do they stand for?
Antworten
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Capital letters represent diffrent elements
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Scientist aren't good at grammars
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Capital letters are not important and do not represent anything
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Capital letters represent diffrent compounds