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اگر در فلزات قلیایی از بالا به پایین حرکت کنیم شعاع اتمی، و واکنشپذیری افزایش و الکترونگاتیوی، نقطه جوش، نقطه ذوب، گرمای تبخیر، آنتالپی ذوب و تبخیر کاهش مییابد. در حالت کلی، چگالی عناصر از بالا به پایین افزایش پیدا میکند (البته سدیم از پتاسیم چگالتر است). از جمله خواصی که یک روند معمول را از خود نشان نمیدهد مقدار غیرعادی و بسیار پایین «پتانسی...
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