Tok- Explain Why Knowledge Cannot Be Inherited

Topic 3- Periodicity ------------------------------------------------- 3.1 The Periodic Table 3.1.1 Elements growth in nuclear root across each period, and floor each group. The narration is ho-hum and bear downless (but then, Ive neer been much of a history fan) and can probably be ignored. *Mendeleev turns in his grave* 3.1.2 array  the columns departure down. Period  the rows going across. 3.1.3 Group = build of valency negatrons in the atom. Period = number of main negatron ticktockss, p , d and f blocks as described above. ------------------------------------------------- 3.2 Physical Properties 3.2.1 Li->Cs (down the alkali metals) Atomic wrap spoke increases collectible to diversity magnitude electron shield. The outmost electron is in an might level that is progressively pull ahead away away from the nerve center of the nucleus. Ionic rundle decreases?  referable(p) to the fact the valence electron has been removed from the outside(prenominal) shell. This allows the protons inwardly the nucleus to work a greater haulage towards the electrons because there is now one and only(a) extra proton more compared to the come of electrons. in that respect is overly one fewer button level, because the outer shell has effectively been removed. ionisation energy decreases payable to change magnitude electron protect.

Melting/simmering point decreases ascribable to increase electron shielding (hence decreased forces). negativeness decreases due to increase shielding (hence decreased attraction for outer electrons). F->I (Down the halogens) Atomic wheel spoke increases due to increased electron shielding. Ionic radius increases due to increased electron shielding. Ionisation energy decreases due to increased electron shielding. Melting/boiling point increases due to increased number of electrons->increased capital of the United Kingdom dispersion forces. Electronegativity decreases due to increased shielding -> decreased attraction for outer electrons. Na->Ar (across period 3) Atomic radius decreases due to increased atomic charge ->...If you want to stop a full essay, dress it on our website: Orderessay

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