unit 1 lesson 4 chemical bonds part (1) ionic bond first prep first term الصف الاول الاعدادى 2027
Miss Ekram Science teacher
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unit 1 lesson 4 chemical bonds part (1) ionic bond first prep first term الصف الاول الاعدادى 2027
39 просмотров · 6 дн. назад
Miss Ekram Science teacher
345 подписчиков
39 просмотров · 6 дн. назад
chemical bonds
positive ion
negative ion
ionic bond
metal
non metal
inert gases
sodium chloride
magnesium oxide
