Which of the following is not a measurement? 0.50 ppm

120

65 mph

24°C

Use the periodic table to determine the electron configuration of dysprosium (dy) and americium (am) in noble-gas notation.

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

Nuclear decay is the spontaneous decay of one element into a. an x-ray b. a ray of light c. another element