E Calculate the average atomic mass of carbon if 98.90% of the atoms are C-12 (12.000000 amu) and
1.100% are C-13 atoms (13.003354 amu). Type in your answer using 2 decimal places.

The valence of aluminum is +3, and the valence of the chlorine is -1. the formula fir the aluminum chloride is correctly written as

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

Asubstance that will change shape to fit its container but has a definite volume is in a phase of matter