1)convert 75 degres to C (Celsius) 2)List the name for the group four groups of the periodic tale that have common names 3) which of the following compounds would not be consider an ionic compound? Sodium chloride, strontium oxide, carbon dioxide or magnesium oxide. 4) give the proper chemical name for the chemical formulate listed a) Na2s, Cs2O, CO2,N2O4 5) convert 32% to part per million (ppm). Express answer in scientific notation 6) convert 1,150 ppm into percentage . express answer in scientific notation 7) august has 31 days how many seconds are there in august. 8)there are 1609 meters in a mile, how many miles do 3000000 milliliters equals 9) What is base unit for temperature in the SI system 10) match the following brief but informative descriptions:
maximun of two spin opposed electron per orbital
electrons fill from the lower to energy levels
minimum number of pair of electrons is given sub-orbital
Hund's rule, pauli exclusion principle, aufbau principle ( match the correct one)
what is the correct electron configuration for (FE)
what is the correct electron configuration for Cr (chromium). Chose the proper Lewis dot structure for the compound or poliatomic ion: Sulfur Dioxide (SO2). Chose the proper lewis structure for the following compound or polyatomic ion: the phosphate ion (PO4-3).