Nguyên tố hóa học là tập hợp những nguyên tử có cùng

Which atom or ion is the largest? a. k b. k+ c. ca d. ca2+ e. li

How many liters of ethylene glycol antifreeze (c2h6o2), with a density of 1.100 g/l, would you add to your car radiator containing 15.0 kg of water if you needed to protect your engine to - 21.5°c? for water, kf = 1.86°c m -1.

Which states of matter have particles that move independently of one another with very little attraction?