Segundo o Princípio da Exclusão de Pauli, cada orbital atómica pode acomodar, no máximo, dois eletrões com spins opostos. Explica como se justifica, no modelo quântico, o número de eletrões correspondentes ao pico com energia 3,67 MJ mol-1, no espetro fotoeletrónico do sódio. Apresenta num texto estruturado e com linguagem científica adequada a explicação solicitada.

Classify each statement about effective nuclear charge, zeff, as true or false.

Select the correct answer. which phrase correctly describes temperature? o a. average rotational kinetic energy of the particles in an object o b. average energy of the particles in an object c. average translational kinetic energy of the particles in an object od. all energy possessed by the particles in an object

The human activities in two locations are described below: location a: rampant use of plastic containers location b: excessive use of pesticides and fertilizers which statement is most likely true? location a will have poor air quality because plastic is biodegradable. location a will experience water scarcity because plastic absorbs moisture. the population of honeybees will increase in location b because production of crops will increase. the population of fish in location b will decrease because the water is contaminated.