Elements that form ionic bonds generally have how many valence electrons?

Which states of matter have particles that move independently of one another with very little attraction?

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

Which description best characterization the motion of particles in a solid