https://padlet.com/ndre2401/60aj3rf6xs2g26zs Science Period 2 en-us 2021-03-25 15:40:53 UTC 2025-11-12 11:28:39 UTC hello@padlet.com ndre2401 https://padlet.com/ndre2401/60aj3rf6xs2g26zs/wish/1353565774 2021-03-25 15:47:04 UTC https://padlet.com/ndre2401/60aj3rf6xs2g26zs/wish/1353565774 ndre2401 https://padlet.com/ndre2401/60aj3rf6xs2g26zs/wish/1353595900 which are sorted into 3 categories]]> 2021-03-25 15:52:37 UTC https://padlet.com/ndre2401/60aj3rf6xs2g26zs/wish/1353595900 ndre2401 https://padlet.com/ndre2401/60aj3rf6xs2g26zs/wish/1353605886 2021-03-25 15:54:29 UTC https://padlet.com/ndre2401/60aj3rf6xs2g26zs/wish/1353605886 ndre2401 https://padlet.com/ndre2401/60aj3rf6xs2g26zs/wish/1353607172 2021-03-25 15:54:42 UTC https://padlet.com/ndre2401/60aj3rf6xs2g26zs/wish/1353607172 ndre2401 https://padlet.com/ndre2401/60aj3rf6xs2g26zs/wish/1353607782 2021-03-25 15:54:49 UTC https://padlet.com/ndre2401/60aj3rf6xs2g26zs/wish/1353607782 ndre2401 https://padlet.com/ndre2401/60aj3rf6xs2g26zs/wish/1353623196 There are 18 different groups, and seven different periods. Groups are columns, and periods are rows]]> 2021-03-25 15:57:34 UTC https://padlet.com/ndre2401/60aj3rf6xs2g26zs/wish/1353623196 ndre2401 https://padlet.com/ndre2401/60aj3rf6xs2g26zs/wish/1353644900 Are groups 3-12 on the periodic table, they are significant because they can choose how many valence electrons they give.]]> 2021-03-25 16:01:27 UTC https://padlet.com/ndre2401/60aj3rf6xs2g26zs/wish/1353644900 ndre2401 https://padlet.com/ndre2401/60aj3rf6xs2g26zs/wish/1353668123 elements and ions contain electrons, protons, and nutrons. The electrons on the outermost shell are called Valence electrons]]> 2021-03-25 16:05:37 UTC https://padlet.com/ndre2401/60aj3rf6xs2g26zs/wish/1353668123 ndre2401 https://padlet.com/ndre2401/60aj3rf6xs2g26zs/wish/1353702252 Elements need 8 valence electrons to be stable]]> 2021-03-25 16:11:27 UTC https://padlet.com/ndre2401/60aj3rf6xs2g26zs/wish/1353702252 ndre2401 https://padlet.com/ndre2401/60aj3rf6xs2g26zs/wish/1353719249 2021-03-25 16:14:20 UTC https://padlet.com/ndre2401/60aj3rf6xs2g26zs/wish/1353719249 ndre2401 https://padlet.com/ndre2401/60aj3rf6xs2g26zs/wish/1353753491 elements can loose/gain valence electrons to make themselves or another element stable]]> 2021-03-25 16:20:38 UTC https://padlet.com/ndre2401/60aj3rf6xs2g26zs/wish/1353753491 ndre2401 https://padlet.com/ndre2401/60aj3rf6xs2g26zs/wish/1353770336 An example of an ionic compound is NaCl (salt)]]> 2021-03-25 16:23:44 UTC https://padlet.com/ndre2401/60aj3rf6xs2g26zs/wish/1353770336 ndre2401 https://padlet.com/ndre2401/60aj3rf6xs2g26zs/wish/1353784097 A charge is depended by how many electrons one element gains or gets, electrons have a negative charge (protons have positive, nuetrons have a neutral charge).]]> 2021-03-25 16:26:15 UTC https://padlet.com/ndre2401/60aj3rf6xs2g26zs/wish/1353784097 ndre2401 https://padlet.com/ndre2401/60aj3rf6xs2g26zs/wish/1353827500 A anion is an ion with a negative , a cation is an ion with a positive charge]]> 2021-03-25 16:34:11 UTC https://padlet.com/ndre2401/60aj3rf6xs2g26zs/wish/1353827500 ndre2401 https://padlet.com/ndre2401/60aj3rf6xs2g26zs/wish/1353847137 are how you combine the elements (example, one chlorine ion for every one sodium ion)]]> 2021-03-25 16:37:31 UTC https://padlet.com/ndre2401/60aj3rf6xs2g26zs/wish/1353847137 ndre2401 https://padlet.com/ndre2401/60aj3rf6xs2g26zs/wish/1353856172 Example: iron(iii)oxide]]> 2021-03-25 16:39:08 UTC https://padlet.com/ndre2401/60aj3rf6xs2g26zs/wish/1353856172