Which two elements have the most similar chemical properties

Which three statements represent the benefits of performing experiments using computer simulations?

3.09 lab: reaction of metals 1 which combinations of substances resulted in a chemical change? for each metal that participated in a chemical change, write the type of metal it is, based on your examination of the periodic table. were there any metallic compounds that did not react with either the acid or the base? write the type of metal, based on your examination of the periodic table. make a general statement about the reactivity of the metals in this experiment.

All chemicals, even safe chemicals, such as sodium chloride( table salt), are toxic if exposure is high enough. (true or false)