Answer:
B - End to end overlap of p overlap
Explanation:
Sigma bonds (σ bonds) are the strongest type of covalent chemical bondSigma bonds are formed by end-to-end overlapping. Sigma bonds can occur between any kind of atomic orbitals;The combination of overlapping orbitals can be s-s, s-pz or pz-pz.
Principal quantum number is n = 2, principal quantum number gives the energy shells electrons reside in,
angular momentum quantum number , these are the number of subshells and gives how many subshells are there in energy shells, values for l range from 0 to n-1
magnetic quantum number -m- gives the specific orbital in the subshells and their orientation.
spin quantum number gives the spin of the electrons.
in this case, n = 2
the types of subshells in n=2 are 0 and 1
0 - s subshell
1 - p subshell
the specific number of orbitals are given by -l to +l
when l = 1
then -1, 0 and +1
therefore there are 3 orbitals in p subshell and orbitals are in 3 orientations
each orbital can hold a maximum of 2 electrons,
since there are 3 orbitals each holding 6, there are 6 electrons to which these quantum numbers are the same
answer is 6
Inter-molecular forces. The greater the attraction between particles the more energy required to break the forces or "melt" them.
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Answer:
The heating effect of the residential heat pump will be 7.2 KJ/Sec
Explanation:
The rate of heat produced (
)
Here, Coefficient of performance = 1.6
Here, Consume of electrical power =4.5
The rate of heat produced ( ) = Coefficient of performance × Consume of electrical power
∴ = 1.6 × 4.5
= 7.2 KJ/SEC
∴ The heating effect of the residential heat pump will be 7.2 KJ/Sec
