Answer:
the atoms can have different numbers of valence electrons
1.5 hours is in 90 minutes
2,200.413 is 2,165.413 to its nearest hundredth.
When we say bar magnet, this is a kind of magnet that is rectangular in shape and possesses magnetic properties. Based on the statements above, the one that is true regarding a bar magnet is that, its poles cannot be separated into two isolated poles. The answer would be the third option. Hope this helps.