Metall kristall panjara tugunlarida qanday turdagi zarrachalar tutadi?

A) 1,2, 4

20. (v20/21 -114-25) Metall kristall panjara tugunlarida qanday turdagi zarrachalar tutadi? 1) erkin electron; 2) metall musbat ionlari; 3) metall manfiy ionlari; 4) metall atomlari. A) 1,2, 4 B) 1,2, 3,4 C)1,4
D) 2, 4