Kimyo. (1 Qism)

A) 4/7 B) 3/7 C) 2/7 D) 0

653. 
     Li yadrosidagi barcha zarrachalarning necha qismini musbat zarrachalar tashkil qiladi?
     

A) 4/7 B) 3/7 C) 2/7 D) 0

653. 
     Li yadrosidagi barcha zarrachalarning necha qismini manfiyzarrachalar tashkil etadi?
     

A) 4/7 B) 3/7 C) 2/7 D) 0

653. 
     Sc yadrosidagi barcha zarrachalarning necha qismini zaryadsiz zarrachalar tashkil etadi?
     

A) 21/45 B) 24/45 C) 24/66 D) 0

653. 
     Sc yadrosidagi barcha zarrachalarning necha qismini musbat zarrachalar tashkil etadi?
     

A) 21/45 B) 24/45 C) 24/66 D) 0

653. 
     Sc yadrosidagi barcha zarrachalarning necha qismini manfiy zarrachalar tashkil etadi?
     

A) 21/45 B) 24/45 C) 24/66 D) 0

653. 
     Cd yadrosidagi barcha zarrachalarning necha qismini musbat zarrachalar tashkil etadi?
     

A) 4/7 B) 3/7 C) 2/7 D) 0

653. 
     Cd yadrosidagi barcha zarrachalarning necha qismini zaryadsiz zarrachalar tashkil etadi?
     

A) 4/7 B) 3/7 C) 2/7 D) 0

653. 
     Cd yadrosidagi barcha zarrachalarning necha qismini manfiy zarrachalar tashkil etadi?
     

A) 4/7 B) 3/7 C) 2/7 D) 0

653. 
     Y yadrosidagi barcha zarrachalarning necha qismini zaryadsiz zarrachalar tashkil etadi?
     

A) 50/89 B) 55/89 C) 50/79 D) 0

653. 
     ₂₉E qanday oksidlanish darajasini namoyon qilganda, barcha zarachalarning 29,67 % ini elektronlar tashkil etadi?
     

A) +2 B) +4 C) -2 D)+1

653. 
     ₂₉E qanday oksidlanish darajasini namoyon qilganda, barcha zarachalarning 7/23 ini elektronlar tashkil etadi?