In Period 2, as the elements are considered from left to right, there is a decrease in
A. Nonmetallic character
b metallic character
C atomic mass
D ionization energy

Ted and emily played a mixed doubles tennis match against jack and brenda. in the second match. ted and brenda played against jack and emily. which type of chemical reaction does the situation demonstrate?

In a water molecule, hydrogen and oxygen are held together by a(an) bond. a) double covalent b) ionic c) nonpolar covalent d) hydrogen e) polar covalent

What human activity increases beach erosion?