What is the minimum uncertainty in a simultaneous measurement of the y-component of the proton's velocity?.

This image is an example of a(n) a) atom. b) compound. c) mixture. d) molecule.

How would the number of moles (n) of o2 change if the atmospheric pressure doubled but all other variables stayed the same

Use this information to determine the number of calends electrons in the atoms. which of the following correctly compares the stability of the two atoms? a) both are unreactive b) both are highly reactive c) a is unreactive and d is reactive d) a is reactive and d is unreactive