Knoweldge For Chemistry

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How many electrons are allowed in the 1st shell?
2
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How many electrons are allowed in the 2nd and 3rd shells?
8
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Name three elements in group 1 of the periodic table?
Lithium , Sodium , Potassium , Rubidium , Caesium , Francium
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Do the Group 1 Elements have a high or low density?
Low
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Are the Group 1 Elements Hard or Soft?
Soft
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How many electrons do the group 1 elements have in their outer shells?
1
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What do alkali Metals (Group 1) for with non-metals?
Ionic Compounds
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When reacted with water what do group 1 metals create?
Metal Hydroxides
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When reacted with chlorine what do group 1 metals create?
Metal Chloride Salts
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When reacted with oxygen what do Group 1 Elements create?
Metal Oxides.
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What colour is fluorine?
Yellow
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What state is fluorine?
Gas
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What colour is chlorine?
Green
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What state is chlorine?
Gas
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What colour is bromine?
Brown
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What state is bromine?
Liquid
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What colour is iodine?
Dark Grey
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What state is iodine?
Solid
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As you go down group 7 what happens to the reactivity of the metals?
The reactivity decreases
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What happens as you go down the group 1 metals in terms of reactivity?
The reactivity increases.
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What happens to the boiling and melting points as you go down group 1 elements?
They Decrease
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What happens to the atomic mass of the elements?
It increases
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As you go down group 7, what happens to the melting and boiling points?
Increases
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Down group 7, what happens to the relative atomic masses?
Increases
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How many electrons do the group 7 elements have in their outer shell?
7
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What are group 7 elements called?
Halogens
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What are group 1 elements called?
Alkali Metals
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How do halogens create molecular compounds?
Reactive with other non-metals to achieve a full outer shell
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What do halogens form with metals?
Ionic Bonds
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What is the product of an ionic bond?
1- Ions called Halides
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What is a displacement reaction?
A displacement reaction is where a more reactive element will displace a less reactive elements compound
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What are the Group 0 Elements called?
Noble Gases
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How many electrons do the noble gases have in their outer shells?
8
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As you go down the Noble Gases what happens to the intermolecular forces?
They become greater.
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What is an ion?
A charged particle
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What Ion does a group 1 element create?
1+
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What ion does a group 2 Element create?
2+
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What ion does a group 6 element create?
2-
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What ion does a group 7 element create?
1-
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Are the elctrostatic forces of attraction strong or weak in an ion?
Strong
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Do ionic compounds have high or low melrting/boiling points?
High
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What is covalent bonding?
Where elements react together by sharing electrons
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What are polymers?
Polymers are long chains of repeating units
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What is a giant covalent structure called?
Macromolecules
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Give an example of a macromolecule?
Diamond, Graphite ,Silicon Dioxide
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How many carbon bonds does diamond have per carbon.
Four covalent bonds
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Do diamonds conduct electricity?
No due to no free electrons
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What is a fullerene?
Molecules of carbon in a circular shape or a tube
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Give an example of a circular Fullerene?
Buckminsterfullerene
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Give an example of a tube made by fullerenes
Nanotubes
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Do fullerenes have a large or small surface area?
Large
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How does metallic bonding work?
Negative electrons and positive ions attract with huge electrostatic forces.
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Are alloys harder than pure metals?
Yes because they have bigger atoms.
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Define a pure substance?
A pure substance is one made up of just one substance or compund.
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Other cards in this set

Card 2

Front

How many electrons are allowed in the 2nd and 3rd shells?

Back

8

Card 3

Front

Name three elements in group 1 of the periodic table?

Back

Preview of the front of card 3

Card 4

Front

Do the Group 1 Elements have a high or low density?

Back

Preview of the front of card 4

Card 5

Front

Are the Group 1 Elements Hard or Soft?

Back

Preview of the front of card 5
View more cards

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