If you have 1 proton and 2 electrons, what is the overall charge of the ion?

(apex) when a cup of water is dropped, as the cup falls, the water in the cup falls out true or false?

Jose and eric were given four samples in lab. the results of their analysis are shown in the table. based on the data they collected, which sample is most likely a metal?

In the experiment you asked to react hydrochloric acid and with sodium hydroxide. when measuring the volume of the reactants, which instrument would give the greatest precision.