The correct option is; H. 2 blue, 3 yellow, and 12 green will be used to make the model of Aluminium Sulphate .
Aluminium sulfate is a salt with the formula Al₂(SO₄)₃.
It is soluble in water and is mainly used as a coagulating agent (promoting particle collision by neutralizing charge) in the purification of drinking water and wastewater treatment plants, and also in paper manufacturing.
Aluminium atoms (Al) = Blue Beads
Oxygen Atoms (O) = Green Beads
Sulfur (S) = Yellow beads
From the compound Al₂(SO₄)₃ , the number of atoms present are;
Al = 2
S = 3
O = 12
This means the model would contain;
2 Blue beads
12 Green beads
3 Yellow beads
Therefore The correct option is; . 2 blue, 3 yellow, and 12 green.
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