In the modern quantum-based atomic theory, what is the name given to a particular space around the nucleus in which an electron moves? orbit, nucleus, energy level, orbital

Which of the following is not an assumption that scientists must make about the natural world? a. regularity b. causality c. predictability d. plausibility

4. propanol and isopropanol are isomers. this means that they have a) the same molecular formula but different chemical properties. b) different molecular formulas but the same chemical properties. c) the same molecular formula and the same chemical properties. d) the same molecular formula but represent different states of the compound

Calculate the temperature rise when 0.2g of propane is used to heat 400cm cubed of water.