3 Part One. The Predicate

Section II
Mashq 1. Ushbu matnni o’qing 3 В, Matnni ko’rib chiqib qisqacha aytib bering.
Mashq 2. Quyidagi xalqaro so’zlar nimani anglatadi?:

modem, form, systematic, inert, cube, formula, composition, horizontal, period, vertical, group

Mashq 3. Tanlangan so’zlarning ma’nosini vaziyati bo’yicha aniqlang.

1. The atomic numbers of helium and neon are 2 and 10, those of lithium and sodium are one greater (3 and 11). 2. The elements 3,11,19, 37, 55 and 87 are very reactive chemically. 3. The sky in summer is often blue, but air is colourless. 4. The properties of the elements Li, Na, K, Rb, Cs and Fr resemble each other, and those of their compounds are similar. 5. The horizontal rows of the periodic tabic are called periods. 6 . The seventh period on which the elements 106 and 107 have a hypothetical cxistcncc is called incomplete. 7. Chemists speak about the recurrence of properties, because similar properties do occur again and again in every next period.

Tekstga so’zlar:
cleavage — bo’linish; congener — bir xil jinsga tegishli;

arbitrary — tasodifiy; vary — o’zgartirish; dependence— qaramlik; connection — aloqa

Text 3 В Matnni o’qing (o’qish vaqti — 6 daqiqa).