True or False? A change in color is evidence of a chemical reaction

Write a paragraph at least 10 sentences explaining how rocks are used today in society

An electrons position cannot be known precisely only it's probability of being in a certain location can be known

Select the correct answer. which statement is true about a polarized object? o a. it gains electrons and becomes negatively charged. ob. it gains protons and becomes positively charged. oc. the number of positive and negative charges can be the same. od. it has to be a metal. o e. there is no change in the distribution of the charge in the object. reset next what