14130229
Beschreibung
Mindmap von Shravani Chingre, aktualisiert more than 1 year ago
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Erstellt von Shravani Chingre
vor mehr als 7 Jahre
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The Periodic Table
- Describe the way the
Periodic Table
- Periodic Table classifies
elements in order of atomic
(proton) number
- Periodic Table classifies
elements in order of atomic
(proton) number
- Use the Periodic Table to
predict properties of
elements by means of groups
and periods
- Colomns are the groups.
- Rows are Periods
- Colomns are the groups.
- Describe the change
from metallic to
non-metallic character
across a period
- The zigzag line
- The zigzag line
- Describe the relationship
between Group number,
number of valency
electrons
- The group number is
same as the number of
outer-shell electrons.
- The group number is
same as the number of
outer-shell electrons.
- Describe lithium, sodium and
potassium in Group I
- ~ metal floats, so less dense than water
~fizzing indicates
a gas is given off
~the molten ball (not Li) indicates highly
exothermic reaction
~lilac flame (K) indicates very
exothermic reaction because the hydrogen gas is given off
ignites
- ~ metal floats, so less dense than water
~fizzing indicates
a gas is given off
~the molten ball (not Li) indicates highly
exothermic reaction
~lilac flame (K) indicates very
exothermic reaction because the hydrogen gas is given off
ignites
- Predict the properties of
other elements in Group I,
given data, where
appropriate
- Describe the trends in
properties of chlorine,
bromine and iodine in Group
VII
- Predict the properties of
other elements in Group VII,
given data where
appropriate
- Describe the noble gases
as being unreactive
- They have a stable
outer shell of electrons.
- They have a stable
outer shell of electrons.
- Describe the uses of the noble
gases in providing an inert
atmosphere
- argon in lamps,
helium for filling
balloons
- argon in lamps,
helium for filling
balloons
- Describe the
transition elements
- collection of metals having high densities,
high melting points and forming coloured
compounds, and which, as elements and
compounds, often act as catalysts
- collection of metals having high densities,
high melting points and forming coloured
compounds, and which, as elements and
compounds, often act as catalysts
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