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