How far can you get away from your little brother with the squirt gun filled with paint if you can travel at 4 m/s and you have 20s before he sees you?

They are like other investigations? say there was a murder u have to do blood test and finger prints which run through a lab. 

The closer the atoms are to becoming ionic the more highly dense the negatively charged side gets.

Ansel nino;

Firstly, the planetary model of the atom  failed  to explain why individual atoms produce discrete  line spectra. in fact, according to rutherford's model, each individual atom should produce a  continuous  line spectrum. the second flaw to his model was the fact that electrons orbit the nucleus in a circular fashion.