According to Avogadro's law, 1 L of H2(g) and 1 L of O2(g) at the same temperature and pressure have the same molar mass
have the same mass
contain equal numbers of molecules
contain 1 mol of gas each

Why should the scientific method be used to answer a question? a. it provides a way to test an idea without any bias. b. it provides a way to test a hypothesis. c. it provides a way to ensure all hypotheses are proven correct. d. it provides a way to quickly turn a hypothesis into a scientific theory.

18. use the activity series to predict whether the following synthesis reaction will occur. write the chemical equations for the reaction if it's predicted to occur. (s) + o2(g) -> *note: it is possible.*

What are the first three quantum numbers for the electrons located in subshell 2s?