Two segments tangent to a circle from the same external point are
a. chords
b. parallel
c. perpendicular
d. congruent

Which statements describe polyatomic ions? check all that apply. polyatomic ions have many charges. polyatomic ions have one overall charge. polyatomic ions repel other ions to form ionic bonds. polyatomic ions attract other ions to form ionic bonds. polyatomic ions are made up of only one type of atom. polyatomic ions are made up of two or more types of atoms.

Using the periodic table, complete the table to describe each atom. type in your answers

How does the motion of particles in a gas change as the gas cools