Answer:
Only one atom are bonded to the central atom in the .
Explanation:
Fluorine most electronegative element.
The atomic number of fluorine is 9.
Electronic configuration -
Hence, it required only one electron to get noble gas[Ne] electronic configuration.
In the molecule two fluorine atoms are bonded by single covalent bond to get stability.
Each atom share one electron and form a bond.
The structure of molecule is as follows.
Answer:
a) 6.426 grams of potassium bromide student must weigh.
b) The correct answer is option a.
Explanation:
a) Concentration of potassium bromide = c = 0.180 M
Moles of potassium bromide = n
Volume of the potassium bromide solution = 300 mL = 0.3 L
Mass of 0.054 moles of potassium bromide :
=
6.426 grams of potassium bromide student must weigh.
b) Drying of flask in drying oven. This is because solution will be prepared by adding water after adding solute. So drying the flask will be not required.