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Atoms, Elements, Compounds, and Ions. Atom basic building block of all matter. Element Substance that consists of only one type of atom. Molecule has two different atoms. Compound substance that consists of more than one type of element. Ion
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Atoms, Elements, Compounds, and Ions • Atom • basic building block of all matter • Element • Substance that consists of only one type of atom. • Molecule has two different atoms. • Compound • substance that consists of more than one type of • element. • Ion • substance that has a positive or negative charge
Electron Cloud Nucleus Atoms Atoms have: • A nucleus • small, heavy part of the atom • An electron cloud • large, lightweight part of the atom
N N Nucleus of an Atom • Nucleus contains: • Protons • Have a positive charge • All atoms are distinguished by • the number of protons it • has (atomic number) N • Neutrons • Have no charge • Have same mass as protons
e- e- Electron Cloud of an Atom • An electron cloud contains: • Electrons • have a negative charge • are contained within shells of the electron cloud • orbit the nucleus of the atom • have a very small mass compared to protons and neutrons • determine bonding properties of substance
Neutron Proton Electron Atom Structure -1 +1 +1 -1
Hydrogen – 1 proton per atom Carbon – 6 protons per atom Elements Elements contain one or more of the same type of atom! Examples include: Oxygen – 8 protons per atom Copper – 29 protons per atom Gold – 79 protons per atom
Carbon Dioxide – CO2 (1 atom of carbon and two atoms of oxygen) • Water – H2O (2 atoms of hydrogen and one atom of oxygen) Compounds Compounds contain more than one type of atom! Example of organic compound (a compound with carbon atoms): Example of inorganic compound (a compound with no carbon atoms):
- + IONS An ion is an atom or group of atoms with a positive or negative charge!! • A particle with a neutral charge has the same number of • protons and electrons. • An ion does not have the same number of electrons and protons. • Examples of ions: • He+ - A helium atom that is missing one electron. • The atom has one more proton than electron, • and must have a positive charge. • CO32- - Carbonate has two more electrons than protons
Andy the Hydrogen Atom Lets take a look deep inside
Andy the Hydrogen Atom Lets take a look deep inside
Andy the Hydrogen Atom Lets take a look deep inside
Andy the Hydrogen Atom Lets take a look deep inside
This is a Proton. Positive Charge weighs ONE Tells what type of atom it is GIRL
This is a Proton. Positive Charge weighs ONE Tells what type of atom it is GIRL
This is a Proton. Positive Charge weighs ONE Tells what type of atom it is GIRL
This is a Proton. Positive Charge weighs ONE Tells what type of atom it is GIRL This is a Neutron No Charge, Weighs One NUN (does not date)
This is an Electron No Weight Negative charge BOY This is a Proton. Positive Charge weighs ONE Tells what type of atom it is GIRL This is a Neutron No Charge, Weighs ONE NUN (does not date)
Now.... Listen to Mr. Kings ION dating game!
Element Guide Proton Number-tells what element it is. (also the atomic number) 2
Element Guide Proton Number-tells what element it is. (also the atomic number) 2 He
Element Guide Proton Number-tells what element it is. (also the atomic number) 2 He
Element Guide Proton Number-tells what element it is. (also the atomic number) 2 Explains name of the element. He
Element Guide Proton Number-tells what element it is. (also the atomic number) 2 Explains name of the element. He 4
Element Guide Proton Number-tells what element it is. (also the atomic number) 2 Explains name of the element. He 4
Element Guide Proton Number-tells what element it is. (also the atomic number) 2 Explains name of the element. He 4 Explains the total atomic weight-The number of protons PLUS the number of neutrons.
Element Guide Proton Number-tells what element it is. (also the atomic number) 2 Explains name of the element. He 4 Explains the total atomic weight-The number of protons PLUS the number of neutrons.