https://padlet.com/ooikylan/7yk295ddpd6og8p2 Made with a warm hug en-us 2021-08-15 10:58:49 UTC 2025-03-01 02:32:10 UTC hello@padlet.com ooikylan https://padlet.com/ooikylan/7yk295ddpd6og8p2/wish/1679403361 2021-08-15 10:59:53 UTC https://padlet.com/ooikylan/7yk295ddpd6og8p2/wish/1679403361 ooikylan https://padlet.com/ooikylan/7yk295ddpd6og8p2/wish/1679403597 Ms ellen can I get marks if I say the number of shells increases? although the mark scheme says below?]]> 2021-08-15 11:00:44 UTC https://padlet.com/ooikylan/7yk295ddpd6og8p2/wish/1679403597 ooikylan https://padlet.com/ooikylan/7yk295ddpd6og8p2/wish/1679403807 Gavin, can be accepted as the first point, ie cation size increases. But your second statement though fulfil MS criteria of saying attraction to sea of electrons decreases, your addition to "due to increasing shielding effect" will lead to wrong concept, as the decreasing attraction is due to increasing cation size, NOT increasing shielding effect. Hence, M2 is penalised.]]> 2021-08-15 11:01:28 UTC https://padlet.com/ooikylan/7yk295ddpd6og8p2/wish/1679403807 ooikylan https://padlet.com/ooikylan/7yk295ddpd6og8p2/wish/1679404244 2021-08-15 11:03:24 UTC https://padlet.com/ooikylan/7yk295ddpd6og8p2/wish/1679404244 ooikylan https://padlet.com/ooikylan/7yk295ddpd6og8p2/wish/1679404469 Ms Ellen, for the last point, can I say chlorine always has 7 outer shell electrons?]]> 2021-08-15 11:04:31 UTC https://padlet.com/ooikylan/7yk295ddpd6og8p2/wish/1679404469 ooikylan https://padlet.com/ooikylan/7yk295ddpd6og8p2/wish/1679404607 For this particular question, you still need to focus back on the mentioning the oxidation number of Cl, ie always -1]]> 2021-08-15 11:05:09 UTC https://padlet.com/ooikylan/7yk295ddpd6og8p2/wish/1679404607 ooikylan https://padlet.com/ooikylan/7yk295ddpd6og8p2/wish/1679404891 Ms Ellen, for (a)(ii) is 2-hydroxybutane accepted instead of butan-2-ol? 😂😂]]> 2021-08-15 11:06:12 UTC https://padlet.com/ooikylan/7yk295ddpd6og8p2/wish/1679404891 ooikylan https://padlet.com/ooikylan/7yk295ddpd6og8p2/wish/1679405112 Priority given to those with functional groups. Because alkane is considered saturated Hydrocarbons, and if alcohol is present, then the suffix should focus on the alcohol naming.]]> 2021-08-15 11:07:19 UTC https://padlet.com/ooikylan/7yk295ddpd6og8p2/wish/1679405112 wis201800551 https://padlet.com/ooikylan/7yk295ddpd6og8p2/wish/1679406448 2021-08-15 11:12:23 UTC https://padlet.com/ooikylan/7yk295ddpd6og8p2/wish/1679406448 wis201800551 https://padlet.com/ooikylan/7yk295ddpd6og8p2/wish/1679406543 Ms Ellen why is this answer wrong. Equilibrium shift to left when temperature increase right?]]> 2021-08-15 11:12:48 UTC https://padlet.com/ooikylan/7yk295ddpd6og8p2/wish/1679406543 wis201800551 https://padlet.com/ooikylan/7yk295ddpd6og8p2/wish/1679407511 2021-08-15 11:16:20 UTC https://padlet.com/ooikylan/7yk295ddpd6og8p2/wish/1679407511 wis201800551 https://padlet.com/ooikylan/7yk295ddpd6og8p2/wish/1679407609 2021-08-15 11:16:38 UTC https://padlet.com/ooikylan/7yk295ddpd6og8p2/wish/1679407609 ooikylan https://padlet.com/ooikylan/7yk295ddpd6og8p2/wish/1679408354 2021-08-15 11:19:50 UTC https://padlet.com/ooikylan/7yk295ddpd6og8p2/wish/1679408354 ooikylan https://padlet.com/ooikylan/7yk295ddpd6og8p2/wish/1679408418 2021-08-15 11:20:05 UTC https://padlet.com/ooikylan/7yk295ddpd6og8p2/wish/1679408418 ooikylan https://padlet.com/ooikylan/7yk295ddpd6og8p2/wish/1679408480 2021-08-15 11:20:20 UTC https://padlet.com/ooikylan/7yk295ddpd6og8p2/wish/1679408480 ooikylan https://padlet.com/ooikylan/7yk295ddpd6og8p2/wish/1679408523 2021-08-15 11:20:30 UTC https://padlet.com/ooikylan/7yk295ddpd6og8p2/wish/1679408523 ooikylan https://padlet.com/ooikylan/7yk295ddpd6og8p2/wish/1679408572 2021-08-15 11:20:40 UTC https://padlet.com/ooikylan/7yk295ddpd6og8p2/wish/1679408572 ooikylan https://padlet.com/ooikylan/7yk295ddpd6og8p2/wish/1679408701 2021-08-15 11:21:06 UTC https://padlet.com/ooikylan/7yk295ddpd6og8p2/wish/1679408701 ooikylan https://padlet.com/ooikylan/7yk295ddpd6og8p2/wish/1679409330 The polymer contains a ester group COO so it would react with both sulfuric acid and sodium hydroxide as we learn it as hydrolysis reactions in our learning outcome. It does not react with Sodium because there is no OH group from hydroxy for a displacement reaction or carboxylic acid group which reacts with metal as a weak acid]]> 2021-08-15 11:24:02 UTC https://padlet.com/ooikylan/7yk295ddpd6og8p2/wish/1679409330 ooikylan https://padlet.com/ooikylan/7yk295ddpd6og8p2/wish/1679409511 Element D across period 3 with smallest atomic radius must be Cl because atomic radius decreases across the period and the last element in period 3 excluding argon which is inert, is Cl. Element E with the third lowest melting point must be P because out of the elements in period 3, Na to Si have high melting point so from P to Cl the melting point order from highest to lowest is S>P>Cl>Ar due to the natural occurance of the element as molecules]]> 2021-08-15 11:24:32 UTC https://padlet.com/ooikylan/7yk295ddpd6og8p2/wish/1679409511 ooikylan https://padlet.com/ooikylan/7yk295ddpd6og8p2/wish/1679409618 When water is added to chlorides of period 3 we know that Aluminium, Silicon and Phosphorus chloride all undergoes hydrolysis, and react with water. Aluminium reacts with water to form HCl as from H+ + Cl-.  But PCl3 and SiCL4 also reacts with water to form HCL as products]]> 2021-08-15 11:24:55 UTC https://padlet.com/ooikylan/7yk295ddpd6og8p2/wish/1679409618 ooikylan https://padlet.com/ooikylan/7yk295ddpd6og8p2/wish/1679409817 1-bromobutane can undergo elimination to form butene and can undergo hydrolysis to form butanol and can be formed from a free radical substitution reaction of butane with Br2 but also can be involved in its own further free radical substitution ( until all of its Hydrogen atoms are replaced )]]> 2021-08-15 11:25:46 UTC https://padlet.com/ooikylan/7yk295ddpd6og8p2/wish/1679409817 ooikylan https://padlet.com/ooikylan/7yk295ddpd6og8p2/wish/1679409991 No no no Yuga. Forward reaction is endothermic, so if temperature increases, the eq will shift toward heat absorbing reaction, which is forward in this reaction. 

Your answer also did not state the EFFECT OF PERCENTAGE of HBr??]]> 2021-08-15 11:26:25 UTC https://padlet.com/ooikylan/7yk295ddpd6og8p2/wish/1679409991 ooikylan https://padlet.com/ooikylan/7yk295ddpd6og8p2/wish/1679412220 Ms Ellen for these 2 questions is it ok if I used the term valence electron instead if outer electron which Is removed]]> 2021-08-15 11:34:33 UTC https://padlet.com/ooikylan/7yk295ddpd6og8p2/wish/1679412220 ooikylan https://padlet.com/ooikylan/7yk295ddpd6og8p2/wish/1679412460 2021-08-15 11:35:31 UTC https://padlet.com/ooikylan/7yk295ddpd6og8p2/wish/1679412460 ooikylan https://padlet.com/ooikylan/7yk295ddpd6og8p2/wish/1679412559 Ms Ellen, can partially soluble be accepted in this case?]]> 2021-08-15 11:35:55 UTC https://padlet.com/ooikylan/7yk295ddpd6og8p2/wish/1679412559 ooikylan https://padlet.com/ooikylan/7yk295ddpd6og8p2/wish/1679412791 And this question i am not 100 percent sure but i think its because the free radical chlorine can substitute into 3 different positions on pentane to form 3 different products ( think of it as isomers )]]> 2021-08-15 11:36:40 UTC https://padlet.com/ooikylan/7yk295ddpd6og8p2/wish/1679412791 ooikylan https://padlet.com/ooikylan/7yk295ddpd6og8p2/wish/1679413216 2021-08-15 11:38:05 UTC https://padlet.com/ooikylan/7yk295ddpd6og8p2/wish/1679413216 ooikylan https://padlet.com/ooikylan/7yk295ddpd6og8p2/wish/1679413434 Ohh I think it’s cuz the Ag is a solid so it shouldn’t be included in the calculation]]> 2021-08-15 11:38:55 UTC https://padlet.com/ooikylan/7yk295ddpd6og8p2/wish/1679413434 ooikylan https://padlet.com/ooikylan/7yk295ddpd6og8p2/wish/1679413729 Yes can. They bring similar meaning.]]> 2021-08-15 11:40:12 UTC https://padlet.com/ooikylan/7yk295ddpd6og8p2/wish/1679413729 ooikylan https://padlet.com/ooikylan/7yk295ddpd6og8p2/wish/1679413827 And for this question can I get the second mark ?]]> 2021-08-15 11:40:42 UTC https://padlet.com/ooikylan/7yk295ddpd6og8p2/wish/1679413827 https://padlet.com/ooikylan/7yk295ddpd6og8p2/wish/1679414043 Can. Accepted. But I realised u tend to write long sentences joining with 'as', 'and', 'because'. Try use full stop and continue in second sentence. Cause u may then to keep writing and sometime may end up giving contradictory statements if u accidentally join wrongly.]]> 2021-08-15 11:41:34 UTC https://padlet.com/ooikylan/7yk295ddpd6og8p2/wish/1679414043