457297
Beschreibung
Quiz von lauren_johncock, aktualisiert more than 1 year ago
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Erstellt von lauren_johncock
vor fast 11 Jahre
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Frage 1
Frage
In solids, there are strong forces of attraction between particles, which holds them close together in fixed positions to form a regular lattice arrangement.
Antworten
- True
- False
Frage 2
Frage
What can change the particles?
Antworten
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Physical changes.
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Arrangement or energy.
Frage 3
Frage
The mass number is the total of protons and neutrons.
Antworten
- True
- False
Frage 4
Frage
The atomic number tells you the number of electrons there are.
Antworten
- True
- False
Frage 5
Frage
What is the relative mass of an electron?
Antworten
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1
-
1/2000
Frage 6
Frage
Giant Ionic Compounds have low melting points and boiling points.
Antworten
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True.
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False - they have high melting and boiling points.
Frage 7
Frage
A covalent bond is a shared pair of electrons.
Antworten
- True
- False
Frage 8
Frage
The formula to calculate the number of moles is Mass (in grams) of element or compound / Mr of element or compound
Antworten
- True
- False
Frage 9
Frage
Why is it useful if metals are malleable?
Antworten
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They can make pretty statues.
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They can be hammered or rolled into flat sheets.
Frage 10
Frage
What is an electrolyte?
Antworten
-
A liquid that can conduct electricity.
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An anode or cathode (usually graphite bars)
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