What makes atoms stick together?

In a water molecule, the hydrogen and oxygen atom stick together by:

A ball of mass 0.50 kg moving at a speed of 5.0 m/s collides with another ball of mas 1.0 kg. After the collision the balls stick together ane remain motionless. What was the velocity of the 1.0 kg block before the collision?

What are sub atomic particles?

What is meant by stick lac?

A difference of 2.3 eV separates two energy levels in an atom . What is the frequency of radiation emitted when the atom makes a transition from the upper level to the

Nitrogen occurs in atmosphere in the form of N_(2) , two nitrogen atoms joined together by strong:

What is atomic number?