تصنيف العناصر في الجدول الدوري الحديث
DESCRIPTION
تصنيف العناصر في الجدول الدوري حسب اعدادها الذرية في الدورات والمجموعات والفئاتTRANSCRIPT
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� OBJECTIVE ا�ــ�ـــ�ف
�Explain how elements are
organized in the periodic
table.
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.ا��ول ا�وري
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When elements are arranged in order of increasing atomic number, there is a periodic pattern in their physical and chemical properties.
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chemical properties. �� � �����ر � ������ �� ��!��ا&%اص ا#�"�� �� وا
"ا�� ا��اده� ا'ر�� �*+ �����, . ه'- ا�����
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� Periods دورات /!* ا�231 ا0�1��
� groups/families /!* ا�231 ا�!%د�� ��ت%!�4
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� Group / Family ��%!�4
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� �4 ا�>9� ;�: ر�9 ا!�!%�� و��د ا���و�8ت -:53ال 5����'رة ؟) ��د ا���و�8ت ا@>ف ا1<�� ( ا�
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�/ ا���ون �� �E ����� ا!�!%�� ا1و/ �G%ي ذرا /!* ���5 وا+� �H0 و Alkali metals
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�G%ي ذرا �E ) ا�EI%���ت ( ����� ا!�!%�� ا*�;�� � /��7 5��� ) Halogens (ا���و�8ت
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� Period دورة
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��%!�4 1A /!* alkali metals (but NOT H)
��%!�42A /!* alkaline earth metalsH
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���%!�4A 8 /!* gasesnoble
���%!�4A is 7/!* halogens
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أكتب التوزيع اإللكتروني للعناصر التالية ثم استنتج العالقة -:بين توزيعها اإللكتروني وموقعها في الجدول الدوري
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15P, 22Ti 11Na , 5B, 36Kr,
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Element
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Electron structure
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Group
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Period
ا�ورة
Bloc
k
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16S 1s2 , 2s2, 2p6 , 3s2, 3p4 6 A 3 p
22Ti 1s2 , 2s2, 2p6 , 3s2, 3p6, 4s2, 3d2 4 B 4 d
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11Na 1s2 , 2s2, 2p6 , 3s1 1A 3 s
5B 1s2 , 2s2, 2p1 3 A 2 p
36Kr 1s2 , 2s2, 2p6 , 3s2, 3p6, 4s2, 3d10, 4p6 8 A 4 p
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