True or false? an element consists of only single atoms of that element. a. true b. false

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

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Which of the following represents the ester functional group? a. -coo- b. -cho c. -cooh d. c=o