What is true about electrons in the modern model of atom?

(a) they are contained within the nucleus itself
(b) their position can be accurately determined
(c) they circle the nucleus in perfectly round orbits
(d) their position can be predicted using probability

Particle model to predict what will happen if a sharp object creates a hole in the soccer ball

3. how much energy in joules is required to evaporate .0005 kg of liquid ammonia to vapor at the same temperature? 4. how much energy ( in megajoules ) is given up by .75 kg of water at 0c when it freezes to form ice at 0c? 5. explain how heat works between and at critical temperatures?

Quiz1. which physical state of nitrogen has the highest entropy? a solid© b gasoc liquid