The correct answer is C. In the periodic table nitrogen has 5 valence electrons and needs 3 more electrons to obtain an octet. So it would form three covalent bonds with another nitrogen and that would be a triple bond.
A is incorrect because oxygen is in group 6 and only needs 2 electrons to achieve an octet. So it would form two covalent bonds with the other oxygen to give a double bond.
B is incorrect because Cl is in group 7 and only needs 1 electron to achieve an octet. So it forms a single bond with the other Cl atom.
D is incorrect because helium is in Group 8, a noble gas, which means its valence shell is completely filled, hence no bonding can occur.
Explanation:
The speed of molecules increases when temperature is increased as it will result in more number of collisions between the molecules. Thus, there will be increase in kinetic energy of molecules and increase in the speed of solvent molecules.
Whereas on decreasing the temperature, the kinetic energy of molecules will decrease. This will result in less number of collisions between the molecules. Therefore, the speed of solvent molecules will slow down.
he can lift 440.925 pounds
Answer: after years of research if the evidence still supports a change the theory will be revised
Explanation:
I think that’s it
