The mass of an electron is 9.11
×
×
10
−31
−31
kg.
1)
how far apart would two electrons have to be in order for the electric force exerted by each on the other to be equal to the weight of an electron? (express your answer to three significant figures.)

Atoms seldom exist as independent particles in nature a) as single particles, most atoms have low potential energy b) their electronegativity is much lower when they combine with other atoms c) atoms are more stable when they combine with other atoms d) neutral particles are rare