Summarizing for exam Atomic Theories Distinguishing between Elements
Summarizing for exam
Atomic Theories
Distinguishing between Elements, Compounds, and Mixtures
Distributed Summarizing The diagram below shows how two elements can be mixed together…Which is a Compound? A Mixture? C. Compound A. B. D. Mixture
Match the Picture to the Description Compound of 2 Elements Mixture of Molecules Element Molecule Compound of 3 Elements Element/ Atoms Mixture of Atoms
Proton Neutron Electron shell / Electron cloud Nucleus The Atom
https: //phet. colorado. edu/sims/html/build-an-atom/latest/build-an-atom_en. html
The Periodic Table
Bonds between atoms • The atoms of different elements are held together in compounds by chemical bonds. • Chemical bonds can hold atoms together in large networks or in small groups. • Substances properties depend on their bonds
atomic happiness Electronic Zero charge Balance FULL SHELL
Hydrogen
Helium
Lithium
Beryllium
Boron
Carbon
Nitrogen
Oxygen
Fluorine Halogen
Neon Noble Gas Inert Gas
Ionic bond Li 2 1 F 2 1
Ionic bond +1 Li 2 1 -1 F 2 1 The attraction between a cation and an anion.
Covalent Bond The sharing of a pair of electrons between 2 atoms. Cl 2
Metallic Bond the sharing of valence electrons by neighboring metal atoms.
Atoms like people…
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