Answer:
10
Explanation:
In image
Take atomic mass or molar mass
of Al =27
I would say C. Permable
Google def.(of a material or membrane) allowing liquids or gases to pass through it.
"a frog's skin is permeable to water
Porous- (of a rock or other material) having minute spaces or holes through which liquid or air may pass
Which of the following describes a chemical property of oxygen
No se si aun necesitas ayuda o no