Answer:
Carbon
Explanation:
The non metal in the same group as Pb is carbon or C .
I hope this helps you.
It would no longer be a polar molecule with a slightly positive and slightly negative ends. It then would not be able to dissolve ionic salts or polarized organic compounds such as sugar.
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Conservation of mass mean mass cannot be created nor destroyed
ad then 
, where 
is the sea level weight, 
the sea level accel., 
the accel. above while 
the weight above.