La configuración electrónica del último nivel energético de un elemento es 4s2 4p3. De acuerdo con este dato: a) Deduce la situación de dicho elemento en la tabla periódica. B) Escribe los valores posibles de los números cuánticos para su último electrón.

Which real-world scenarios below represent physical and chemical changes? -running a car -exploding fireworks -mixing water and powdered drink mix -combining oil and vinegar to make salad dressing -taking aspirin for a headache -diluting bleach with water-digesting dinner-spreading peanut butter on bread

You are making a solution of calcium chloride dissolved in water. you add solid, stir, and it dissolves. you add just a spatula tip full, stir, and the solid does not dissolve. how could you describe the solutions before and after adding the spatula tip amount

The diagram below shows the different phase transitions that occur in matter. which arrow represents the transition in which dew is formed?