Elements found on the left side of the periodic table tend to gain electrons

The most important factor affecting how atoms form chemical bonds is the number of valence electrons in each atom involved. Elements toward the left of the periodic table tend to lose electrons in bonding, while elements toward the right of the periodic table tend to gain electrons in bonding.Explanation:

answer; i believe the correct answer to the above question is ( friction)

evidence and logical support is essential for a scientist to do in order to maintain credibility. this is because no one can believe without any logic and without any evidence.hence a scientist can maintain credibility by proving himself and by answering logically so experiments prove very beneficial. logical hypothesis give conclusion which is acceptable. therefore, there are two main factors to maintain credibility by a scientist is evidence and logical support.