Un atomo neutro en la capa de valencia M posee 5 electrones. Determine el elemento quimico cuyo atomo cumple con la condicion descrita. A) Silio (Z=14)
B) Fosforo (Z=15)
C) Azufre (Z=16)
D) Aluminio (Z=13)

The grooves or folds of the brain are called

What method(s) do plants use to obtain nitrogen? select all that apply. absorb it from the atmosphere use bacteria to convert nitrogen to usable form obtain usable nitrogen compounds from the soil absorb nitrogen from water taken in at the roots

Aperfume bottle is dropped in the corner of a room. the odor of the perfume can be detected on the other side of the room. which statement best describes this observation?