Which is the most accurate description of compounds? select one: a. they are the basic building blocks of matter. b. they are not pure substances. c. they are made up of atoms of 2 or more elements that are chemically combined. d. they are made of only 1 type of atom.

What property is a characteristic of a substance that can be observed and does not change the identity of the substance

Explain the difference between each pair of concepts. a. frequency and relative frequency b. percentage and relative frequency a. select the correct choice below. a. frequency is the total number of observations in a data set. relative frequency is the number of times a particular distinct value occurs. b. frequency is the number of times a particular distinct value occurs. relative frequency is the ratio of the frequency of a value to the total number of observations. c. frequency is the total number of observations in a data set. relative frequency is the ratio of the number of times a particular distinct value occurs to the frequency. d. frequency is the number of times a particular distinct value occurs. relative frequency is the ratio of the frequency of two different values.

You are about to open a container of soy milk but notice that there are instructions to “shake well before serving.” the soy milk is most likely a