3) hydrogen and oxygen atoms forms water
Answer:
Atoms, Different, compounds, atoms
Explanation:
Answer: C
Explanation:
C just because the other choices dont really make sense. They use these fibers as a way to see what clothes, shoe strings, carpets, etc was there it help identify a person at the scene. Hope this helps!!
Answer:
63.5474U.M.A. es la masa atómica promedio del cobre
Explanation:
La masa atómica promedio de un átomo es definida como la suma de las masas de los isótopos multiplicada por su abundancia. Para el caso del cobre que tiene dos isótopos:
Cu = Masa 65Cu*Abundancia + Masa 63Cu*Abundancia
Reemplazando con los valores dados en el problema:
Cu = 62.9298U.M.A.*0.6909 + 64.9278U.M.A.*0.3091
Cu = 63.5474U.M.A. es la masa atómica promedio del cobre
Answer:
The red litmus turns to blue
Explanation:
Hope it helps