Subatomic particles Particle symbol charge location mass Proton

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Presentation transcript:

Subatomic particles Particle symbol charge location mass Proton Neutron Electron ___________: # neutrons vary, _________: # electrons vary ________________(Z) : tells #protons and # electrons ________________(A): tells mass of protons + neutrons ________________-element with 9 electrons ________________-element with A=23 ________________-element with 18 protons ________________-element with 22 neutrons ________________-element with Z=16 All elements have masses relative to: _____________. The atomic mass has a decimal because of ____________.

Periodic Table ______________ - organized periodic table Periodic table is CURRENTLY organized by: _____________ AND ________________ Names for Rows  : Names for Columns : I. I. II. II. III. III. IV. Label the periodic table: -metals, non-metals -metalloids, semi-metals, semi-conductors -alkali metals -alkaline earth metals -noble gases -halogen family -oxygen family -nitrogen family -transition metals -coinage family -lanthanides -actinides

Periodic Table cont… Trends ________________, positive ion, metals, left of zig-zag line ________________, negative ion, non-metals, right of zig-zag line ________________ - determines the flame color of a substance Trends DRAW Atom Radius (aka…size): Left to right on p.t. () 2. top to bottom on p.t. () Define Trends: _____________ - energy to remove an electron (metals) _____________- energy to attract electrons (non-metals) _____________- ability to attract an electron (non-metals) *Note: The 3 trends above are opposite of _________. *Reactivity Trend Note: Big metals are __ reactive, Small non-metals are __ reactive.

Periodic Table + Trends _____________ the alkaline earth metal with 3 shells _____________ halogen with 2 electron clouds _____________ the element in period 4 with 8 valence electrons _____________ the element in group 2 with 3 energy levels _____________ the largest element in the alkali family _____________ the largest element in row 3 Why is argon small for it’s row?  __________ to attract to the ______________ in the nucleus Why is sodium large for it’s row?  __________ to attract to the _____________ in the nucleus Why is cesium large for it’s column?  __________ means less attraction of valence electrons to _________ in the nucleus because of ___________ Why is lithium small for it’s column?  __________ means more attraction of valence electrons to _________ in the nucleus because of  _________ ______________ noble gas with the greatest electronegativity ______________ alkali with the lowest electron affinity ______________ largest coinage element