How many valence electron does a sodium, silicon, beryllium, and oxygen atom have?

Why are people not able to skip a dive to the deepest part of the ocean

Anyone who's in connections academy chemistry b have the factors that affect the rate of a reaction portfolio already done?

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