Calculate the number of grams of platinum in 0.00808 moles Pt. O 0.181 g Pt
O 1.58 g Pt
O 4.14 x 10-5 sh
4.86 x 1021 g Pt

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In any atom of any element, you will find protons and neutrons in the nucleus of any atom 

The population of unionid mussels decreased after zebra mussels were introduced. zebra mussels competed with the unionid mussels for food. the zebra mussels were able to displace the unionid mussels, allowing the zebra mussel population to increase  over the years. the unionid mussel population decreased because  of lack of food.