When electrons are not shared equally in a covalent bond, the bond is called a polar covalent bond. It is possible for a molecule as a whole to be nonpolar even if it has multiple polar covalent bonds. Continue Reading.
Urumqi Climate - Seasons & Travel Advice. The temperature in Urumqi fluctuates greatly between day and night. The weather of Urumqi is extremely dry due to its geographical location and continental climate. Spring and autumn are short while winter and summer are long.
Temperatures at Uluru can vary dramatically from 4Â°C in Winter to 40Â°C in Summer. Nights and mornings in Winter (June, Jul, Aug) can be very cold, while Summer (Dec, Jan, Feb) brings balmy nights. Rainfall is rare in this part of Australia.emperatures at Uluru can vary dramatically from 4Â°C in Winter to 40Â°C in Summer. Nights and mornings in Winter (June, Jul, Aug) can be very cold, while Summer (Dec, Jan, Feb) brings balmy nights. Rainfall is rare in this part of Australia.