The periodic table is based on an element's

a. molecular mass.
b. atomic mass.
c. molecular size.
d. atomic number.

they are both synthetic elements

explanation:

d

in chemistry, adhesion and cohesion are attractive forces that exist between molecules. they hold the molecules together from each other. they are different in that adhesive force exists between molecules of different substance while cohesive force happens between molecules of same substance.

adhesion between water and glass causes water molecules at the edge of water and glass interface to climb up the wall in a narrow glass tube. this is called capillary action. cohesion is what gives glass its shape and causes water to form a droplet.

it is the most commonly accepted one