Sidney is experimenting with two charged objects. She holds the objects close to each other, but she makes sure they never touch. Which is the only hypothesis about the two objects that Sidney would find to be true?

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

Which element has the lowest electronegativity? calcium(ca) gallium(ga) selenium(se) bromine(br)

Use the drop-down menus to label each of the following changes p for physical change and c for chemical change. the substance changes to a new substance. the original substance can be recovered. the color changes. gas is produced and given off. the substance changes size, shape, or volume.