Performe The following operation express the answer in scientific notation 6.900x10^10/4.000x10^8

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 is the least metallic between cadmium, silver, zinc, or iron?

Explain what happens at the saturation point when adding salt to water at room temperature.