What is the single replacement reaction of Zinc + Lead(iv) Chloride

What does standard deviation reveal about data? a. the average of all the data points b. which of the data points is most reliable c. how spread out the data points are d. the percent error included in the data

Which atom or ion is the largest? a. k b. k+ c. ca d. ca2+ e. li

What is one real world example of a colligative property?