Which of the following is used for chemical symbols today? a. drawings c. letters b. icons d. numbers

Drag each label to the correct location on the chart. classify each reaction as endothermic or exothermic.

Quiz1. which physical state of nitrogen has the highest entropy? a solid© b gasoc liquid

Which of these is an example of pseudoscience? a) predicting the time of sunrise based on data on position of earth b) predicting the date of the moon phases based on data on position of earth c) predicting eclipses based on the position of the sun and the moon d) predicting future events in a person's life based on the position of the moon