698832
Frage 1
Frage
What are atoms?
Antworten
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Molecules joined up
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The building blocks that everything is made from
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Mixtures of compounds
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Not a clue
Frage 2
Frage
Atoms have a negative nucleus
Antworten
- True
- False
Frage 3
Frage
If an atom loses an electron it becomes positively charged.
Antworten
- True
- False
Frage 4
Frage
What is an ion?
Antworten
-
Positively charged atoms
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Neutral atoms
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Negatively charged atoms
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An atom with a net electric charge
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I got no idea mate
Frage 5
Frage
An IONIC bond is where atoms share a pair of electrons and a COVALENT bond is where a positive and negative ion are attracted to one another and join together
Antworten
- True
- False
Frage 6
Frage
What is the molecular formula of methane?
Antworten
-
CH4
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4CH
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C4H
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C4H4
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What you on about?
Frage 7
Antworten
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4 Hydrogen, 4 Carbon
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4 Carbon, 1 Hydrogen
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4 Hydrogen, 1 Calcium
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4 Hydrogen, 1 Carbon
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I'm sorry you've lost me
Frage 8
Frage
What is the displayed formula of CH3 (CH2)2 CH3?
Antworten
-
Image:C5_H12 (image/jpg)
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Image:C4_H8_O (image/jpg)
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I don't understand this!
Frage 9
Frage
What is Na2CO3?
Antworten
-
Magnesium carbonate
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Sodium chloride
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Calcium carbonate
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Sodium carbonate
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Nope, not getting this
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