It confirmed medeleeve's hypothesis (prediction) and showed the use of his table
Galaxies are sprawling systems of dust, gas, dark matter, and anywhere from a million to a trillion stars that are held together by gravity. Nearly all large galaxies are thought to also contain supermassive black holes at their centers.
In order to be considered a vector, a quantity must include Magnitude (A) and Direction (D).
Answer:
3 electrons from nitrogen and 3 from carbon while carbon already has a lone pair along with a negative charge (called cyanide)