Navoiy shahar 16-sonli ayrim fanlar chuqur o’rganiladigan ixtisoslashgan maktabi 8-“ ”­­­­­ sinf o’quvchisi

5-Nazorat ishi.
Mavzu: Galogenlar mavzusini umumlashtirish.
Nazorat shakli:Masala yechish.

I-variant

1.Cl atomining electron konfiguratsiyasini yozing.
2.2,45gr KBr tarkibidagi Br ni to’liq siqib chiqarishi uchun (n.sh.da)o’lchangan necha l xlor kerak?
3.HBr ning He ga nisbatan zichligini toping.
4.122,5 gr Bertoli tuzidan necha mol kislorod olish mumkin?
Kompetentlikni aniqlash uchun materiallar:
5.Asab kasaliklarida, uyqusizlikda shifokor tomonidan berilgan dorilar tarkibida galogenlardan qaysi biri uchraydi?
II-variant.
1.Br atomining elektron konfiguratsiyasini yozing.
2.125gr Bertoli tuzi olish uchun (n.sh.da)necha l xlor gazi kerak?
3.HCl ning havoga nisbatan zichligini toping.
4. 4%li 4kg KJ eritmasidan yodni batamom chiqib ketishi uchun qancha (n.sh.da) l o’lchangan xlor kerak?
Kompetentlikni aniqlash uchun materiallar:
5.Galogenlardan qaysilari haqida tibbiyotda ishlatilishini ko’rgansiz yoki eshitgansiz?

Yechish:
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Sana___________________________

6-Nazorat ishi.