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

2023
Views:

28

Pages:

1
Author:

Rose G

ene perioare HARLE the modern periodic table: 4.04.22 elements are arranged in row, called perions, to increase oramic No elements with similar properties are placed in verticie columns (groups) the table is called the penodic table because eleme nts with similar properties. occur at regular intivals! electrons enerau protons neutrons 12 group numbers G 34567 AS Period numpers the electronic structure of an atom can be predicted from its atomic number for example, the atomic number of sodium is 11. Sodium atoms nave protons and so two electrons occupe flest shell elant electrons cocuou she second sncu оnе еlесtrоn occuous the third shell. Bonding Non metalSt metais TONIC gain charges 100 LONS 101 election metal lose, motu manu 2100 Binon metal gain, now manu on Non metaiS+ non metais COVELANTi →onare no charae nuamgen метале now manu ce need now manu snew snare, election 15.1037 positive charge evectron is gained negative charge MO CL orecullar forces have weak #t there is a bigger force 2,8,1 SODIUM Suse-xenne metais+ metals METALLIC DIAMOND C-4C'S Giant nian mpt 16pt does not conduct GRAPHITE C-30's (delocalwed) Lauers forces between tauers nian mpa bpl con conduct sea of electrons neeas 10 give two gives other electron to another ci one -hman mps1.bps inen Souch com conduct 104 10410 Justice STRONG BONDS nowever theu DOES SIZE MATTER? YES La more enerqu needea! do not canoud, no choras nian mos bp can concut зомета