If all forces acting on an object the object must be

Traveling in a circle

Speeding up or slowing down
In the process of changing direction

At rest or traveling at a constant velocity

With the largest atoms and the smallest number of valence electrons and with the smallest atoms and the greatest number of valence electrons are the most reactive. a. nonmetals; metals b. nonmetals; transition elements c. transition elements; metals d. metals; nonmetals