Why do stable nuclei never have more protons than neutrons?

Why do stable nuclei have more neutrons than protons?

Which of the following has more electrons than neutrons? (Mass number of Al, C, O and F is 27, 12, 16 and 19 respectively)

Why do the veins have valves?

An ion with mass number 56 contains 3 units of positive charge and 30.4% more neutrons than electrons. Assign the symbols to this ion.

The nuclide having 6 protons and 8 neutrons is represented as ____.

Why do athletes like sprinters have a higher proportion of white muscle fibre?

Which of the following is the CORRECT representation of neutral atom of element X having 17 protons and 18 neutrons?

Why do molluscs have shells?

Why do molluscs have shells?

Why is H_2 stable even though it never satisfies the octet rule ?