Air resistance is the result of collisions of the object’s total surface area with air molecules. True or False A.
TRUE
B.
FALSE

Which notation is used to represent an alpha particle? a. b. c. d.

Daughter element the new element produced along with a decay particle in a nuclear transmutation 2. half-life the substance that decays in a nuclear transmutation 3. parent element the change of one chemical element into another by nuclear decay or radioactive bombardment 4. transmutation the time required for the decay of one-half of the atoms in a sample of radioactive material

How do you know how many valence electrons an atom has?