Element R Elemento
12P
Which statement best describes the positions of the two elements in the periodic table?
O A. The two elements are in the same period, with Element R the first element in the period and Element Q the last element.
OB. The two elements are side by side in the same period, with Element Q to the left of Element R.
OC. The two elements are in the same group, with Element R just above Element Q.
D. The two elements are in the same group, with Element Q at the top of the group and Element R at the bottom.

a

Explanation:

indium, and thallium have three electrons i think

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.