Teacher rub the match against a piece of sandpaper the match started to burn which statement best describes the energy changes that occurred

Based on its chemical properties, identify the position of each chemical family on the periodic table.

Avariable that is not being directly tested during an experiment should be

Which statement explains why the bonds between non metals tend to be covalent? the bonds are found to be nondirectional they have large differences in electronegativity they have small differences in electronegativity they have ions that produce an electrostatic pull