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PLS HELP FAST 20 POINTS​
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PLS HELP FAST 20 POINTS​

PLS HELP FAST 20 POINTS​-example-1
User Jeff Learman
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1 Answer

8 votes

Answer:

Step-by-step explanation:

Mass of Boron=10Amu

Mass of Potassium=39Amu

Neutron of Sodium=12

Neutron of Silicon=14

User NiklasMM
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