Questions with the keyword 'particle'

• Why is it that neutrons always have no charge, electrons have negative charge and protons have positive charge? by chance786 to Ben, Dave Comments: (No comments so far )
• how many atoms does uranium have? by grago to Susana Comments: (No comments so far )
• when you shut door, why does noise get quieter even though it is more atoms vibrating closer together ? by hannahhhhh to Ben, Dave, Ed, Sam, Susana Comments: (No comments so far )