Help 1. write the complete chemical symbol for the ion with 14 protons 15 neutrons and 18 electrons
2. write the complete chemical symbol for the ion with 27 protons 32 neutrons and 25 electrons

Aside from human impact, which of the following causes less water vapor production over a small area? (2 pderivartin

Which of the following is an indication that a substance has undergone a chemical change? a. no new product has been formed. b. the color of the substance has not changed. c. the original constitute has not changed. d. the molecular structure has changed.

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.