Chemistry - Key Stage 4 - Class activity - Formative assessment

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Alkali metals
Subject: Chemistry
Level: Key Stage 4
Resource type: Class activity
Teaching type: Formative assessment

Description

At the end of this activity, students should be able to:
– describe the electron configuration of the alkali metals
– describe the trends in the melting points and the boiling points of Group 1 elements
– describe the trends in the density of Group 1 elements
– explain the relationship between the atomic structure and the properties of the alkali metals
– describe the trends in the reactivity of the alkali metals
– describe the trends in the atomic radii of the Group 1 metals.

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Resources Structure Key Stage 4 Chemistry IX. The periodic table and chemical properties of the elements 46. Alkali metals Exam Specifications Key Stage 4 AQA GCSE Science A (4461) Chemistry III. Additional materials 1. Additional materials Additional materials AQA GCSE Additional Science (4463) Chemistry I. Chemistry 2 1. How do sub-atomic particles help us to understand the structure of substances? The elements in Group 1 of the periodic table, the alkali metals, have similar chemical properties. They all react with non-metal elements to form ionic compounds in which the metal ion has a single positive charge. AQA GCSE Chemistry (4421) II. Chemistry 2 16. How do sub-atomic particles help us to understand the structure of substances? The elements in Group 1 of the periodic table, the alkali metals, have similar chemical properties. They all react with non-metal elements to form ionic compounds in which the metal ion has a single positive charge. III. Chemistry 3 22. How was the periodic table developed and how can it help us understand the reactions of elements? The elements in Group 1 of the periodic table: − are metals with low density − react with non-metals − react with water releasing hydrogen − form hydroxides which dissolve in water to give alkaline solutions. Compared with the elements in Group 1, transition elements: − have higher melting points (except for mercury) and higher densities − are stronger and harder − are much less reactive and so do not react as vigorously with water or oxygen.

Copyright
YDP SA

Keywords
density, metal, atomic, electron, configuration, metals, alkali, radii, reactivity, alkali metals

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Alkali metals

Type: Class activity

School licence till: 23/05/2013

Price: 5.00 GBP

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This resource belongs to the following Packs:

Chemistry – Key Stage 4

School licence till: 23/05/2013

Price: 349.00 GBP (excl. VAT)

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