The following forces act on an object: 3n left, 2n up, 1n right, 2n down.
what is the total force on the object?
give the size and direction.

Brainliesttt me asap! the below reaction can be categorized as more than one type of reaction. which reactions are these, and what are the types of reactions?

Is a pencil falling to the floor anon contact force, a force, or a contact force

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