My bold shelf by https://padlet.com/jabriel/2x897mjcg7hx Made with panache en-us 2018-06-27 03:01:14 UTC 2023-03-05 05:05:56 UTC hello@padlet.com jabriel https://padlet.com/jabriel/2x897mjcg7hx/wish/268679588 Have Central Nucleus
Dalton-Atoms
Thompson-Electrons
Bohr-Electron shell
Chadwell-Nuetrons]]> 2018-06-27 03:02:36 UTC https://padlet.com/jabriel/2x897mjcg7hx/wish/268679588 jabriel https://padlet.com/jabriel/2x897mjcg7hx/wish/268680004 Atom is electrically nuetral
No.of neutron =mass no.-proton no.
Sub atomic particles proton nuetron electron]]> 2018-06-27 03:07:09 UTC https://padlet.com/jabriel/2x897mjcg7hx/wish/268680004 Isotopes:atoms of the same element with the same number of protons but different no. of neutrons jabriel https://padlet.com/jabriel/2x897mjcg7hx/wish/268682568 1)atoms of the same element
2)with the same no. of protons
3)different no. of neutrons

]]> 2018-06-27 03:41:52 UTC https://padlet.com/jabriel/2x897mjcg7hx/wish/268682568 Electron occupy a particular orbit electron shell jabriel https://padlet.com/jabriel/2x897mjcg7hx/wish/268682674 2018-06-27 03:43:22 UTC https://padlet.com/jabriel/2x897mjcg7hx/wish/268682674 jabriel https://padlet.com/jabriel/2x897mjcg7hx/wish/268797143 2018-06-28 00:27:14 UTC https://padlet.com/jabriel/2x897mjcg7hx/wish/268797143 jabriel https://padlet.com/jabriel/2x897mjcg7hx/wish/268799888 1)1st shell must have maximum 2 electrons
2)2nd,3rd shell must have maximum 8 electrons 
3)Column groups(Roman numerals I, II, III)no. of outermost electron valence
4) same row same shell   rows:periods(Arabic 1,2,3)-no of occupied electron shells]]> 2018-06-28 00:59:28 UTC https://padlet.com/jabriel/2x897mjcg7hx/wish/268799888 Key chew_gaojing https://padlet.com/jabriel/2x897mjcg7hx/wish/268917628 X-electron of (element) ]]> 2018-06-29 00:28:02 UTC https://padlet.com/jabriel/2x897mjcg7hx/wish/268917628 jabriel https://padlet.com/jabriel/2x897mjcg7hx/wish/269345813 Size of an atom in an element is the same]]> 2018-07-04 06:29:54 UTC https://padlet.com/jabriel/2x897mjcg7hx/wish/269345813 chew_gaojing https://padlet.com/jabriel/2x897mjcg7hx/wish/269346534 2018-07-04 06:38:55 UTC https://padlet.com/jabriel/2x897mjcg7hx/wish/269346534 jabriel https://padlet.com/jabriel/2x897mjcg7hx/wish/269348056 The Chemical property depends on number of valence electron]]> 2018-07-04 06:58:48 UTC https://padlet.com/jabriel/2x897mjcg7hx/wish/269348056 Can add or minus electron to get ion jabriel https://padlet.com/jabriel/2x897mjcg7hx/wish/269700778 When a atom have no neutral charge it is a ion
Ion to get stable electronic configuration like noble gas
Full electron shell

]]> 2018-07-09 05:01:51 UTC https://padlet.com/jabriel/2x897mjcg7hx/wish/269700778 Electronic configuration eg.2,8,8,1 jabriel https://padlet.com/jabriel/2x897mjcg7hx/wish/269701425 2018-07-09 05:11:31 UTC https://padlet.com/jabriel/2x897mjcg7hx/wish/269701425