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Covalent bond is when there is relatively less difference in electronegativity of constituent atoms. On the other hand, ionic bond is formed when there is large difference in electronegativity of constituent atoms.
In present case, electronegativity of F is 3.98, electronegativity of C is 2.55, electronegativity of tin is 1.96 and electronegativity of potassium is 0.82.
Here, since the electronegativity difference is minimum in case of C-F, so covalent bond will be preferentially with carbon.
It must also be noted that neon is an inert gas, hence it will not form bond with F.
A the snowstorm is called a blizzard
The volume that is occupied by 51.0 grams of ammonia gas(NH3) at STP is calculated as follows
find the moles of NH3= mass/molar mass
= 51.0 g/17 g/mol = 3 moles
At STP 1mole = 22.4 liters, what about 3 moles of NH3
= 3moles /1 mole x 22.4 L =67.2 liters will occupied by 51.0 g of NH3
Answer:
The core of the earth is made of iron-nickel alloys.