Comments on: O Level Chemistry – Periodic Table Mini Series (Part II) http://www.simplechemconcepts.com/o-level-chemistry-periodic-table-mini-series-part-ii/ O-Level Chemistry Made Easy Sat, 14 Jan 2012 03:43:17 +0000 hourly 1 http://wordpress.org/?v=3.0.4 By: Naveed Khan http://www.simplechemconcepts.com/o-level-chemistry-periodic-table-mini-series-part-ii/comment-page-1/#comment-7702 Naveed Khan Mon, 17 Oct 2011 04:02:50 +0000 http://www.simplechemconcepts.com/?p=1141#comment-7702 the answers are i) C Since I.P is increases from left to right so left to right metallic character decreases. ii) B Hydrogen is the 1st element in the periodic table and it belongs to the 1st period while Ar's atomic number is 18 and it is the last element of 3rd period that's why answer is B. the answers are
i) C
Since I.P is increases from left to right so left to right metallic character decreases.
ii) B
Hydrogen is the 1st element in the periodic table and it belongs to the 1st period while Ar’s atomic number is 18 and it is the last element of 3rd period that’s why answer is B.

]]> By: shaquette pleasant http://www.simplechemconcepts.com/o-level-chemistry-periodic-table-mini-series-part-ii/comment-page-1/#comment-3217 shaquette pleasant Tue, 16 Feb 2010 18:05:53 +0000 http://www.simplechemconcepts.com/?p=1141#comment-3217 1. c 2. d 1. c
2. d

]]> By: Dineth http://www.simplechemconcepts.com/o-level-chemistry-periodic-table-mini-series-part-ii/comment-page-1/#comment-2867 Dineth Wed, 25 Nov 2009 04:13:34 +0000 http://www.simplechemconcepts.com/?p=1141#comment-2867 can a hydrogen displace another hydrogen in a compound. can a hydrogen displace another hydrogen in a compound.

]]> By: sean http://www.simplechemconcepts.com/o-level-chemistry-periodic-table-mini-series-part-ii/comment-page-1/#comment-2693 sean Sat, 31 Oct 2009 15:27:31 +0000 http://www.simplechemconcepts.com/?p=1141#comment-2693 Hydrogen is a Non-Metal. It is placed inside the Metals Reactivity Series to differentiate the more reactive common metals from the less (or non) reactive common metals. Essentially, you need to know that metals above Hydrogen in the Metals Reactivity Series will react with dilute acid to produce a salt and hydrogen gas. Those below will not react with dilute acid to give hydrogen gas and salt. Hope this helps. Hydrogen is a Non-Metal. It is placed inside the Metals Reactivity Series to differentiate the more reactive common metals from the less (or non) reactive common metals.

Essentially, you need to know that metals above Hydrogen in the Metals Reactivity Series will react with dilute acid to produce a salt and hydrogen gas. Those below will not react with dilute acid to give hydrogen gas and salt.

Hope this helps.

]]> By: dineth http://www.simplechemconcepts.com/o-level-chemistry-periodic-table-mini-series-part-ii/comment-page-1/#comment-2692 dineth Sat, 31 Oct 2009 05:49:27 +0000 http://www.simplechemconcepts.com/?p=1141#comment-2692 do you think that hydrogen is a metal. Though it is more reactive than cu , au , pt , ag , hg. it doesn't show any metalic properties also. do you think that hydrogen is a metal. Though it is more reactive than cu , au , pt , ag , hg. it doesn’t show any metalic properties also.

]]>