Chemical Bonds | Prep.1 | Unit 1 - Lesson 4 - Part (1/2) | Science
Автор: Mr.Ahmed Elbasha
Загружено: 2024-10-06
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Описание:
شرح ساينس الصف الأول الاعدادي لغات - الفصل الدراسي الأول
شرح ساينس سادسة ابتدائي - ترم أول
لينك تحميل الملزمة
https://drive.google.com/file/d/1t1rz...
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In This Part :
❶ Noble Gases
From the Lewis structure of the following noble gases
❷ The metals
Metal atoms tend to lose their valence electrons to reach the stable electron configuration of the noble gas with the closest atomic number that precedes them in the periodic table
When a metal atom loses its valence electrons, it converts into a positive ion (cation) carrying a number of positive charges equal to the number of the lost electrons.
❸ The nonmetals
Nonmetal atoms tend to gain one or more electrons according to their valencies to reach the stable electron configuration of the noble gas with the closest atomic number that follows them in the periodic table.
When a nonmetal atom gains electrons, it converts into a negative ion (anion) carrying a number of negative charges equal to the number of the gained electrons.
بالتوفيق
مستر احمد الباشا
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