Answer:
Aufbau diagram of sodium ion:
2s²,2p⁶,3s¹
Answer:

Explanation:
Using Kepler's third law, we can relate the orbital periods of the planets and their average distances from the Sun, as follows:

Where
and
are the orbital periods of Mercury and Earth respectively. We have
and
. Replacing this and solving for

Answer: :)
1.) The Doppler effect is, the change in sound or light that occurs whenever there is motion between the source and its observer. The siren of the fire engine has a lower pitch as it moves away because the waves are now spread out causing a lower frequency and a lower pitch.
2.) Wave frequency is related to wave energy. Since all that waves really are is traveling energy, the more energy in a wave, the higher its frequency. The lower the frequency is, the less energy in the wave.
Answer:

Explanation:
From the question we are told that
Altitude of 
Magnitude
Altitude of 
Magnitude is 
Distance of cube 
Generally the flux
is mathematical given as


Generally Quantity of charge q is mathematically given as


