What is the number of electrons an atom would gain or lose when forming ionic bonds?

All forces cause motion? true or false

Observation and experimentation have led many scientists to accept a theory about the origin of the universe. this theory is called the big bang theory. scientific evidence collected and observed by scientists around the world suggests that the universe is ever expanding from a hot and dense initial state. what makes this a scientific theory? (2 points)

Which tool is least in predicting weather