Answer:
HCl + Ca(OH)2 = CaCl2 + H2O - Chemical Equation Balancer.
By space travel.
Or aeroplanes.
Whichever one is in your choices
These answers dont make sense
1. the 2s2 orbital will give one of its electrons to the 2p5 orbital so the configuration would be 1s22s12p6 (2s1 is half filled and 2p6 is completely filled which is a much more stable configuration)
2. Neon does not need to ionize it is a noble gas