Identify these element:a non-metal in the same group as leads?

What is the molecular weight of copper

Which sentence from holes contains an implied personality trait? stanley and his parents had tried to pretend that he was just going away to camp for a while, just like rich kids do. he'd just been in the wrong place at the wrong time. stanley felt somewhat dazed as the guard unlocked his handcuffs and led him off the bus. stanley nodded to show he understood

What prefix multiplier is appropriate for reporting a measurement of 5.57 ×10−5 m?