1517847
Description
Quiz by Rebecca Ryder, updated more than 1 year ago
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Created by Rebecca Ryder
about 10 years ago
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Question 1
Question
What is the charge and mass of an electron
Answer
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charge=+1 mass=1
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charge=-1 mass=1
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charge=-1 mass=1/2000
Question 2
Question
Which ones are the correct state symbols?
Answer
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Solid - s
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Liquid - lq
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Gas - g
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Aqueous - a
Question 3
Question
What do ionic bonds form?
Answer
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Ion
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Element
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Compound
Question 4
Question
What happens to electrons in ionic bonding?
Answer
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a metal loses electron(s) and a non-metal gains electron(s).
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a metal gains electron(s) and a non-metal loses electron(s).
Question 5
Question
In ionic bonding, which charged particles attract?
Answer
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positive with positive
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negative with negative
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positive with negative
Question 6
Question
What are the correct properties of giant ionic compounds?
Answer
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it conducts as a liquid and as a solid as the electrons are free to move
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they are very brittle and break when hit
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they have extremely low melting points due to lots of bonds
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they are soluble in water
Question 7
Question
NH3 is ammonia
Answer
- True
- False
Question 8
Question
compounds such as carbon dioxide (CO2), chlorine (Cl2) and water (H2O) are called simpelr molecular compounds.
Answer
- True
- False
Question 9
Question
what are the correct properties of a simple covalent compounds
Answer
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low melting point
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strong covalent bonds between atoms
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strong intermolecular forces
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doesn't take a lot of energy to break the bonds
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not usually a gas
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no electrical conductivity
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doesn't conduct as a solid or liquid but does conduct as a gas
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there are no charged particles
Question 10
Question
Diamond is made up of carbon atoms. Each carbon atom has four strong bonds and is very hard.
Answer
- True
- False
Question 11
Question
diamond is a simple covalent structure
Answer
- True
- False
Question 12
Question
Does diamond have a low or high melting point?
Answer
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Low melting point
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High melting point
Question 13
Question
diamond can conduct electricity
Answer
- True
- False
Question 14
Question
Tick the correct statements in reference to Graphite
Answer
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made up of carbon atoms
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has 5 strong bonds
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atoms form layers
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contains delocalised electrons
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the delocalised electrons are not free to move
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cannot conduct electricity
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layers can slide over each other
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graphite is soft
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low melting point
Question 15
Question
metals are soft and malleable
Answer
- True
- False
Question 16
Question
metals are weak
Answer
- True
- False
Question 17
Question
they are good conductors of electricity
Answer
- True
- False
Question 18
Question
they are poor conductors of heat
Answer
- True
- False
Question 19
Question
what is an alloy?
Answer
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a pure metal
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a mixture of metals
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a mixture of metals and non-metals
Question 20
Question
a metallic bond is the bonding of the free electrons in metals.
Answer
- True
- False
Question 21
Question
the attraction is between neutral metal ions and delocalised electrons
Answer
- True
- False
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