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First ionisation energies decrease down groups in the Periodic Table:-larger atomic radius-increased nuclear charge is outweighted by increased shielding-reactivity increases down the group as it's easier...
Both Cl and I in Group 7. Both have 7 electrons in its outer shell and require 1 electron to obtain a full shell. Reactivity of these halogens correspond to its ability to gain an electron. Cl can gain an...
As you move down group 7 from fluorine to iodine, the reactivity of the elements decreases. The halogens are non-metals and when non-metals react with metals, they GAIN the electrons that the metals lose....
An alkane is a saturated hydrocarbon, which basically means it is an compound made up of carbons and hydrogens (hence the hydrocarbon) and has the maximum number of hydrogens (hence it is saturated). Wher...
This question requires understanding of the structure of benzene and forces the student to be able to describe why cyclohexa-1,3,5-triene is unable to be used to describe the structure of benzene. As benz...
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