The answer is 2 more oxygen is needed
THE MOLAR MASS OF FLUORINE IS 35G/MOL
Answer:
Dmitri Mendeleev
Explanation:
He was a Russian Scientist who decided to reorganize the periodic table after other notable scientists such as Antoine-Laurent Lavoisier had also tried to organize it based on the states of matter of the elements.
Mendeleev reorganized the period in the order of increasing atomic mass although there were some other modifications by modern scientists.
<span>A physical change changes the bonds between molecules of the substance. so option a is right.</span>
