3. If the half-life model decayed perfectly, how many atoms would be remaining (not decayed) after 12 seconds?
(started with 200 atoms before decay). pls help :)

Which of the following statements concerning the influence of culture on ethnic identity formation is accurate? a. one will reject ethnic identity if cultural stereotypes are encountered. b. if one’s ethnic city is different from the dominant cultural group, then one’s ethnic identity you will become weekend. c. if an the ethnic group is excepted by dominant culture, then ethnic identity formation can be a difficult process. d. similarity to the dominant culture can determine how easy it is for one to except ethnic differences.

How heavy is thanos? a) 3000 lbs b) all of it c) the price of tea in china d) heavy enough

What volume would 2.25 moles of ne has occupy at stp?