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to which grop and period do the following elements belong carbon, neon, aluminium, potassium ,calcium, sulphur​
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The diagram shows the relationship between scientific disciplines.the names of some scientific disciplines have been removed from the boxes. which scientific discipline belongs in the blue box? a.physics b.biology c.chemistry d.metallurgy
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Select the correct lewis structure for fluorine which is group 7a element?
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to which grop and period do the following elements belong carbon, neon, aluminium, potassium ,calciu...
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