SC 2 Revision by Firdaus Harun https://padlet.com/dikara/SC2 Q&A for Chapter 1 - Chapter 4 en-us 2016-10-08 00:51:31 UTC 2017-08-10 07:50:48 UTC hello@padlet.com https://padlet-assets.s3.amazonaws.com/icons/Planets.png Why atomic emission spectrum of series is a line dikara https://padlet.com/dikara/SC2/wish/129262727 2016-10-08 03:20:35 UTC https://padlet.com/dikara/SC2/wish/129262727 Dunno https://padlet.com/dikara/SC2/wish/129267343 U]]> 2016-10-08 07:29:10 UTC https://padlet.com/dikara/SC2/wish/129267343