The number of valence electrons = group number
e. g 1 valence electron in group IA
Answer:
4
Explanation:
The balanced equation for the reaction is as follows:
4Al + 3O2 --> 2(Al2O3)
They have similar electron configurations and have similar ionic chargers
Relative<span> species </span>abundance<span> is a component of biodiversity and refers to how common or rare a species is </span>relative<span> to other species in a defined location or community. </span>Relative abundance<span> is the percent composition of an organism of a particular kind </span>relative<span> to the total number of organisms in the area.
I don't know if your looking for this exact definition so i'm sorry if i'm wrong
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Atoms-Tiny particles of matter that cannot be divided