Same meaning?
Binary fluorides of metalloids and p- block - nonmetals are generally hypervalent , with varying reactivities , period 3 and heavier non-metals can form covalent and volatile fluorides .
Binary fluorides of metalloids and p- block nonmetals are generally hypervalent , with varying reactivities . Period 3 and heavier nonmetals can form covalent and volatile fluorides .

Answer: yes

Same meaning?
Marty 's mother Lillian learns of the affair and tries to persuade Pearl to break it off .
Lillian 's mother , Marty , learns of the affair and tries to get Pearl to break off .

Answer: no

Same meaning?
Hucho is a genus of large salmonidae from cold rivers and other freshwater habitats in Eurasia , which are piscivorous and threatened by overfishing and habitat loss .
Hucho is a genus of large salmonids from cold rivers and other freshwater habitats in Eurasia . They are piscivorous , and threatened by overfishing and habitat loss .

Answer: yes

Same meaning?
In the week before the first race , Barwa Addax - Pilot Dani Clos was replaced by Josef Kral , Brendon Hartley replaced Jon Lancaster with Ocean Racing Technology .
In the week before the first race , Barwa Addax driver Josef Kral was replaced by Dani Clos . Brendon Hartley also replaced Ocean Racing Technology 's Jon Lancaster .

Answer:
no