https://padlet.com/lau_jeremiah/1K1group3 Group 3 : Timothy, Lleyton and Jeremiah en-us 2018-05-14 04:29:38 UTC 2023-04-21 15:49:12 UTC hello@padlet.com lau_jeremiah https://padlet.com/lau_jeremiah/1K1group3/wish/268696655 Protons.    1.   Add 1
Neutrons  1. Zero
Electrons. 1/1840.   Subtract 1]]> 2018-06-27 07:04:54 UTC https://padlet.com/lau_jeremiah/1K1group3/wish/268696655 lleyton1222005 https://padlet.com/lau_jeremiah/1K1group3/wish/268696804 -------Key-------
Proton  (atomic) number 
Atomic symbol
Relative atomic mass
Example : 
2 (proton atomic number)
He (atomic symbol)
helium (name)
4 (relative atomic mass)
(Neutrons + Protons)
Electrons no.= Protons no.
(In atoms) ^
Atomic no. always smaller than mass]]> 2018-06-27 07:07:14 UTC https://padlet.com/lau_jeremiah/1K1group3/wish/268696804 lau_jeremiah https://padlet.com/lau_jeremiah/1K1group3/wish/268816801 Isotopes have the same number of protons but different number of neutrons]]> 2018-06-28 04:13:27 UTC https://padlet.com/lau_jeremiah/1K1group3/wish/268816801 lau_jeremiah https://padlet.com/lau_jeremiah/1K1group3/wish/268817000 If any two elements have different number of protons,they are not the same.]]> 2018-06-28 04:16:08 UTC https://padlet.com/lau_jeremiah/1K1group3/wish/268817000 lau_jeremiah https://padlet.com/lau_jeremiah/1K1group3/wish/268817198 Atoms always have an equal number of protons and electrons they like to be stable.]]> 2018-06-28 04:17:38 UTC https://padlet.com/lau_jeremiah/1K1group3/wish/268817198 lau_jeremiah https://padlet.com/lau_jeremiah/1K1group3/wish/268817740

Electrons are outside the nucleus. We can draw atoms like this: Atoms are drawn by writing the element symbol, then it is surrounded by circles. The first has two electrons, the second has up to eight and the third can have up to eight also, the forth shell can carry up to 18(carries ... Electrons are indicated by drawing crosses or dots on the circles to indicate them.

]]> 2018-06-28 04:25:19 UTC https://padlet.com/lau_jeremiah/1K1group3/wish/268817740 lau_jeremiah https://padlet.com/lau_jeremiah/1K1group3/wish/268819084 2018-06-28 04:43:47 UTC https://padlet.com/lau_jeremiah/1K1group3/wish/268819084 lau_jeremiah https://padlet.com/lau_jeremiah/1K1group3/wish/268922305 Use key instead of legend. Remember to put it in exams!]]> 2018-06-29 01:18:27 UTC https://padlet.com/lau_jeremiah/1K1group3/wish/268922305 lau_jeremiah https://padlet.com/lau_jeremiah/1K1group3/wish/268922391 1 means group no 1 (first column from left) all have 1 electrons on their outer shell and so on.......
Every horizontal from the TOP has a different no of shells so the TOP row has elements which have only one shell...Second has two shells and so on....]]> 2018-06-29 01:20:08 UTC https://padlet.com/lau_jeremiah/1K1group3/wish/268922391 lau_jeremiah https://padlet.com/lau_jeremiah/1K1group3/wish/268922589 The elements in the middle are not in a column have no specific charge while the side columns have a charge]]> 2018-06-29 01:22:44 UTC https://padlet.com/lau_jeremiah/1K1group3/wish/268922589 lau_jeremiah https://padlet.com/lau_jeremiah/1K1group3/wish/268923204 First shell,2. Second shell,8. Third shell,8. Fourth shell, 18.]]> 2018-06-29 01:32:30 UTC https://padlet.com/lau_jeremiah/1K1group3/wish/268923204 lau_jeremiah https://padlet.com/lau_jeremiah/1K1group3/wish/268923881 Group 0 because the atoms here do not always have 8 outer(valence) electrons]]> 2018-06-29 01:40:30 UTC https://padlet.com/lau_jeremiah/1K1group3/wish/268923881 lau_jeremiah https://padlet.com/lau_jeremiah/1K1group3/wish/268924332 2018-06-29 01:45:55 UTC https://padlet.com/lau_jeremiah/1K1group3/wish/268924332 lau_jeremiah https://padlet.com/lau_jeremiah/1K1group3/wish/269520714 Answer :There would be an explosion (Chemical Reaction)]]> 2018-07-06 01:27:38 UTC https://padlet.com/lau_jeremiah/1K1group3/wish/269520714 lau_jeremiah https://padlet.com/lau_jeremiah/1K1group3/wish/269521248 (2,8,1) (As it has only one electron on the outside, it is very reactive.]]> 2018-07-06 01:34:00 UTC https://padlet.com/lau_jeremiah/1K1group3/wish/269521248 lau_jeremiah https://padlet.com/lau_jeremiah/1K1group3/wish/269521448 Ions are charged atoms that has become a particular charge(positive or negative). Eg A sodium Atom becomes a positive ion if it loses an electron and becomes a negative if it gains an electron.]]> 2018-07-06 01:37:00 UTC https://padlet.com/lau_jeremiah/1K1group3/wish/269521448 lau_jeremiah https://padlet.com/lau_jeremiah/1K1group3/wish/269521922 2018-07-06 01:42:55 UTC https://padlet.com/lau_jeremiah/1K1group3/wish/269521922 lau_jeremiah https://padlet.com/lau_jeremiah/1K1group3/wish/269522090 Writing ions are like this: Na+( This shows that the atom has lost one electron, becoming positive 1) Mg2+ Shows that the magnisium atom has lost two electrons thus has a +2 charge]]> 2018-07-06 01:45:25 UTC https://padlet.com/lau_jeremiah/1K1group3/wish/269522090 lau_jeremiah https://padlet.com/lau_jeremiah/1K1group3/wish/269522455 2018-07-06 01:50:45 UTC https://padlet.com/lau_jeremiah/1K1group3/wish/269522455 lau_jeremiah https://padlet.com/lau_jeremiah/1K1group3/wish/269522750 When an atom gains or loses electrons, it will become an ion]]> 2018-07-06 01:53:38 UTC https://padlet.com/lau_jeremiah/1K1group3/wish/269522750 lau_jeremiah https://padlet.com/lau_jeremiah/1K1group3/wish/269522952 For some elements like chlorine, it’s easier to gain an electron than to lose its entire shell so elements like chlorine can easily become negative ions or Cl-1]]> 2018-07-06 01:55:41 UTC https://padlet.com/lau_jeremiah/1K1group3/wish/269522952 lau_jeremiah https://padlet.com/lau_jeremiah/1K1group3/wish/269523346 When an element has less than four electrons on its outer shell, it can easily become positive and vice versa]]> 2018-07-06 02:00:29 UTC https://padlet.com/lau_jeremiah/1K1group3/wish/269523346