Fluorine (F) will have properties similar to Bromine (Br) because it belongs to the same group as Bromine.
Answer:
answer:-
a long-term increase in the Earth's average temperature
Answer:
The correct answer is option false.
Explanation:
Molality of the solution defined as moles of substance present in 1 kilogram of solvent.
Moles = 

Mass of percent (w/w%) of the solution is defined as amount of solute present in 100 grams of solution.

So, if want to inter-convert molality into mass percent we can do that without knowing density of solution.
Mass of solution = Mass of solute + Mass of solvent
Answer:
B
Explanation:
When water is at the surface of the ground, it evaporates and goes back to the clouds for which causes it to rain therefore returning water back.