An element has similar properties to krypton. Its mass is greater than the mass of hydrogen and less than the mass of bromine. Its atomic number is greater than that atomic number of boron and less than the atomic number of sulfur. Identify the name and chemical symbol of this element.

How many moles of carbon dioxide will form if 2.5 moles of c3h8 is burned

Which ocean zone has the most abundant primary producer and why a) the abyssopelagic zone ,du to the absence of light and cold water temperatureb) the bathypelagic zone, due to the absence of light and cold water temperaturec) the mesopelagic zone ,due to uts high light availability and warm water temperature d) the epipelagic zone,due to its high light availability and warm water temperature

Consider the following reaction at equilibrium. 2co2 (g) 2co (g) + o2 (g) h° = -514 kj le châtelier's principle predicts that the equilibrium partial pressure of co (g) can be maximized by carrying out the reaction a. at high temperature and high pressure b. at high temperature and low pressure c. at low temperature and low pressure d. at low temperature and high pressure e. in the presence of solid carbon