Материалдар / Trends in Periodic table
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Trends in Periodic table

Материал туралы қысқаша түсінік
Материал химиядан 8-сыныпқа ағылшын тілінің элементтерін енгізген мұғалімдерге керек
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12 Қараша 2019
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Материалдың қысқаша түсінігі
Trends in Periodic table • You will : • - know how are properties of elements changed among groups and periods • - be able to

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Trends in Periodic table • You will : • - know how are properties of elements changed among groups and periods • - be able to predict properties of an element by the place in Periodic Table

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Trends in Periodic table • You will : • - know how are properties of elements changed among groups and periods • - be able to predict properties of an element by the place in Periodic Table

Plan of the lesson : • - Greeting • -Home task • -Terminology • -New topic • -Cheeking understanding

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Plan of the lesson : • - Greeting • -Home task • -Terminology • -New topic • -Cheeking understanding

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Plan of the lesson : • - Greeting • -Home task • -Terminology • -New topic • -Cheeking understanding

Work in pairs and answer the following questions 1. When and by whom the periodic table was opened? 2. How are horizontal

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Work in pairs and answer the following questions 1. When and by whom the periodic table was opened? 2. How are horizontal rows called? 3.What is the name of vertical columns in a periodic table ? 4. What is the number of periods in a periodic table ? 5. How many columns are there in periodic table ? 6. How are « A » groups called? 7. How are « B » groups called? 8.What are the exampls of alkali metals? 9. What are the exampls of noble gases? 10. Write electron configuration of : 3Li 7N 11 Na

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Work in pairs and answer the following questions 1. When and by whom the periodic table was opened? 2. How are horizontal rows called? 3.What is the name of vertical columns in a periodic table ? 4. What is the number of periods in a periodic table ? 5. How many columns are there in periodic table ? 6. How are « A » groups called? 7. How are « B » groups called? 8.What are the exampls of alkali metals? 9. What are the exampls of noble gases? 10. Write electron configuration of : 3Li 7N 11 Na

Terminology to predict предсказывать болжау Properties свойства қасиеттері Electronegativity электроотрицательность электртеріст

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Terminology to predict предсказывать болжау Properties свойства қасиеттері Electronegativity электроотрицательность электртерістік Paulings scale Шкала Полинга Полинг шкаласы Value значение шама Located расположенный орналасқан to assume представлять елестету

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Terminology to predict предсказывать болжау Properties свойства қасиеттері Electronegativity электроотрицательность электртерістік Paulings scale Шкала Полинга Полинг шкаласы Value значение шама Located расположенный орналасқан to assume представлять елестету

Is it possible to predict properties of an element just by looking at the Periodic Table?

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Is it possible to predict properties of an element just by looking at the Periodic Table?

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Is it possible to predict properties of an element just by looking at the Periodic Table?

• The periodic table contains a great deal of information packed into one location. It was developed to illustrate recurring t

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• The periodic table contains a great deal of information packed into one location. It was developed to illustrate recurring trends in properties of elements. Elements in the same vertical column have similar properties. If you know the name of an element, the periodic table will tell you that element’s symbol and atomic number. With this information, you can then learn a lot more about the make-up of the element.

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• The periodic table contains a great deal of information packed into one location. It was developed to illustrate recurring trends in properties of elements. Elements in the same vertical column have similar properties. If you know the name of an element, the periodic table will tell you that element’s symbol and atomic number. With this information, you can then learn a lot more about the make-up of the element.

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Example Element Litium Li Atomic number 3 Atomic relative mass 7 Period 2 Group 1 Electron configuration 1s 2 2s 1 Valence ele

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Example Element Litium Li Atomic number 3 Atomic relative mass 7 Period 2 Group 1 Electron configuration 1s 2 2s 1 Valence electrons 1 Proton 3 Neutron 4 Electron 3 Electron shells 2 Metal\ nonmetal metal Physical properties solid

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Example Element Litium Li Atomic number 3 Atomic relative mass 7 Period 2 Group 1 Electron configuration 1s 2 2s 1 Valence electrons 1 Proton 3 Neutron 4 Electron 3 Electron shells 2 Metal\ nonmetal metal Physical properties solid

Activity • Describe properties 3 elements with atomic numbers • -8 • - 12 • -17

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Activity • Describe properties 3 elements with atomic numbers • -8 • - 12 • -17

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Activity • Describe properties 3 elements with atomic numbers • -8 • - 12 • -17