Which statement is true about the elements in a compound? they maintain their chemical properties. they are composed of many mixtures. they can be separated by physical methods. they can be sperarated by chemical methods.

Which reason best explains why metals are malleable? a)because they have delocalized electrons b)because they have localized electrons c)because they have ionic bonds d)because they have rigid bonds

How many moles are in 123.0 grams of kclo4?

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