Differenciate between fundamentals quantities and derived quantities

Will give brainliest! which statement best describes the similarities between fundamental forces? electromagnetic and strong nuclear forces influence the interaction between charged particles within an atom. gravitational and magnetic forces are both types of charges that occur in nature. nuclear and magnetic forces are both related to mass and weight. strong nuclear force is most like electrical force because they are both related to distance.

In a good thermo flask the main cause of heat loss is

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