Aziz o’quvchim!

Qaysi guruh va davr elementining metalmaslik xossasi kuchliroq.

A) 3- davr, VI guruh B) 3- davr, V guruh

C) 2- davr, V guruh D) 2- davr, VII guruh

63. 
    Faqat metalmas elementlar berilgan qatorni toping.
    

A) N, Be, Ca, Si B) C, Al, Cl, Zn

C) F, S, B, P D) H, Be, C, Si

64. 
    Quyidagi elementlarni metalmaslik xossalari oshib borish tartibida joylashtiring.
    

1) kaliy 2) kislorod 3) oltingugurt 4) tellur 5) selen A) 1, 2, 3, 4, 5 B) 1, 4, 5, 3, 2

C) 2, 3, 5, 4, 1 D) 2, 3, 4, 5, 1

65. 
    Quyidagi elementlarni metallik xossalari oshib borish tartibida joylashtiring.
    

1) kaliy 2) kislorod 3) oltingugurt 4) tellur 5) selen A) 1, 2, 3, 4, 5 B) 1, 4, 5, 3, 2

C) 2, 3, 5, 4, 1 D) 2, 3, 4, 5, 1

66. 
    Davriy jadvaldagi o‘rniga qarab tegishli guruhchalardagi eng kuchli oksidlovchi elementlarni ko‘rsating.
    

1) neon; 2) kislorod; 3) litiy; 4) uglerod; 5) ftor; 6) xlor;

7) oltingugurt; 8) natriy; 9) qalay A) 2, 4, 5 B) 1, 3, 6 C) 2, 5, 6, 7 D) 1, 4, 8, 9

67.