University:
High School
Course:
High School Chemistry
Academic year:

2023
Views:

246

Pages:

1
Author:

Rose G

ElectronsElectrons orbit themuleus in shells, andeach whell canonlyhold a certain amount-- , The first shell can only hold 2 elections, but all after than can hold 8.of Electrons.up toaping( The inner shell has the weakest energy, and as the shells get Smother away they Springthe nucleus they have more energy - Therefore the conter shill will have theelectronigner1 masteroary.(He*NaHeliumCarbonSodiumCaliumProtons261120Neutrom261220Electrons261120AtomicMass 4122340Elements in the some group (row),have the same number of shells, and therefore havesimilar propertiesElements in the same period (column) have thesame number of electrons in their outershells, meaning they lose et /gain electrons similarly when creating an conic bond,and become more reactive as you godern the tableThis is because they these want to get rid of electrons Suother from thenucleus more