Question 12 (1 point) The most stable isotope of hydrogen, which is very first element on the periodic table, is H-1 that has no neutrons. So, why is this atom stable?

Probably because the amount of protons and electrons are =

The density of water is 1 g/cm cubed and in order for the pebble to sink its density has to be greater than the density of water and in order for the twig to float its density has to be less than the density of water