Por que los elementos del grupo 17 captan un electron con mucha facilidad, fomando un ion de carga -1, pero es muy dificil que capture un segundo electron y nunca forman iones con carga -2

The skeletal system performs a variety of functions that are crucial to maintaining life processes. what function is performed in the bone marrow, but not in the ossified bones of the skeleton? a oxygen transportation c mineral storage b. muscle attachment d red blood cell production

As air becomes more dense, (select all that apply) o. air weighs less o. gas molecules are closer together o. air is colder o. air weighs more o. gas molecules are further apart o. air is hotter

Which of the following is most likely true about water in chemical solutions?