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Additional Science-Chemistry
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Questions in this quiz (21)
1What is the charge and mass of an electron
- Acharge=+1
mass=1 - Bcharge=-1
mass=1 - Ccharge=-1
mass=1/2000
- Acharge=+1
2Which ones are the correct state symbols?
- ASolid - s
- BLiquid - lq
- CGas - g
- DAqueous - a
3What do ionic bonds form?
- AIon
- BElement
- CCompound
4What happens to electrons in ionic bonding?
- Aa metal loses electron(s) and a non-metal gains electron(s).
- Ba metal gains electron(s) and a non-metal loses electron(s).
5In ionic bonding, which charged particles attract?
- Apositive with positive
- Bnegative with negative
- Cpositive with negative
6What are the correct properties of giant ionic compounds?
- Ait conducts as a liquid and as a solid as the electrons are free to move
- Bthey are very brittle and break when hit
- Cthey have extremely low melting points due to lots of bonds
- Dthey are soluble in water
7NH3 is ammonia
- ATrue
- BFalse
8compounds such as carbon dioxide (CO2), chlorine (Cl2) and water (H2O) are called simpelr molecular compounds.
- ATrue
- BFalse
9what are the correct properties of a simple covalent compounds
- Alow melting point
- Bstrong covalent bonds between atoms
- Cstrong intermolecular forces
- Ddoesn't take a lot of energy to break the bonds
- Enot usually a gas
- Fno electrical conductivity
- Gdoesn't conduct as a solid or liquid but does conduct as a gas
- Hthere are no charged particles
10Diamond is made up of carbon atoms. Each carbon atom has four strong bonds and is very hard.
- ATrue
- BFalse
11diamond is a simple covalent structure
- ATrue
- BFalse
12Does diamond have a low or high melting point?
- ALow melting point
- BHigh melting point
13diamond can conduct electricity
- ATrue
- BFalse
14Tick the correct statements in reference to Graphite
- Amade up of carbon atoms
- Bhas 5 strong bonds
- Catoms form layers
- Dcontains delocalised electrons
- Ethe delocalised electrons are not free to move
- Fcannot conduct electricity
- Glayers can slide over each other
- Hgraphite is soft
- Ilow melting point
15metals are soft and malleable
- ATrue
- BFalse
16metals are weak
- ATrue
- BFalse
17they are good conductors of electricity
- ATrue
- BFalse
18they are poor conductors of heat
- ATrue
- BFalse
19what is an alloy?
- Aa pure metal
- Ba mixture of metals
- Ca mixture of metals and non-metals
20a metallic bond is the bonding of the free electrons in metals.
- ATrue
- BFalse
21the attraction is between neutral metal ions and delocalised electrons
- ATrue
- BFalse
Information
- Description
- Quiz on Additional Science-Chemistry, created by Rebecca Ryder on 23/10/2014.
- Author
- Rebecca Ryder
- Language
- English
- Views
- 44
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