Jenny's model train is set up on a circular track. there are six telephone poles evenly spaced around the track. it takes the engine of her train 10 seconds to go from the first pole to the third pole. how long would it take for the engine to go the entire distance around the track?

An unknown substance has a melting point of 1064 ∘c, is insoluble in water, conducts electricity as a solid, and is hard. given these properties, which of the following are possible identities for the unknown substance? check all that apply. view available hint(s) check all that apply. sio2 f2 au kbr

Iwill give brainliest if you answer right : )

What are atoms of the same element with varying number of neutrons