Science8

SubatomicParticles

Name:Date:Block:

Inanatom,therearethreesubatomicparticles.

1. 2. 3.

Theproton:

• Thisisfoundinthe________________.• Ithasachargeof________________.• Itsmassis________________.• The___________________________representsthenumberof_____________.

Practice!Findthenumberofprotonsforthefollowingelements!1.Sodium:4.Chlorine7.Tungsten:

2.Neon:5.Tin:8.Copper:

3.Einsteinium:6.Platinum9.Gold:

Theelectron:

• Thisisfoundinthe_________________________.• Ithasachargeof________________.Inaneutralatom,theoverallchargeis__________.• Example:Ifanatomhas17protons,itmusthave______electrons.• Itsmassis________________.

Practice!Findthenumberofelectronsforthefollowingelements!1.Silver:4.Fluorine7.Lead:

2.Palladium:5.Cesium:8.Actinium:

3.Gallium:6.Krypton9.Vanadium:

Theneutron:

• Thisisfoundinthe________________.• Ithasachargeof________________.• Itsmassis________________.• The___________________________representsthenumberof_____________and_____________.• Example.

o Neonhasamassnumberof__________andanatomicnumberof__________.Thereforethenumberofneutronsis__________.

Practice!Findthenumberofneutronsforthefollowingelements!1.Manganese:4.Potassium7.Zinc:

2.Bismuth:5.Sulfur:8.Scandium:

3.Osmium:6.Arsenic9.Helium:

Fillinthefollowingtable:ElementName

ElementSymbol

AtomicNumber

MassNumber

#ofProtons

#ofNeutrons

#ofElectrons

1. Cl

2. Silver 108

3. 8 8 8

4. Al 27

5. Cs

6. 46

7. 44 101

8. Tungsten

9. 152 63

10. 91

ThePeriodicTableDmitriMendeleev

• Hisfirstperiodictablewaspublishedin1869• Listedtheelementsinorderofincreasing_____________mass• Mendeleevincludedgapsandpredictedthepropertiesofmissingelements

MajordivisionswithinPeriodicTable

• Period:

• Group/Family:AlkaliMetals

• Group_______• • • ListallalkalimetalsfromyourPeriodicTable:

AlkalineEarth

• Group_______• • ListallalkalineearthmetalsfromyourPeriodicTable:

TransitionMetals

• Group_______to_______Halogens

• Group_______• • ListallhalogensfromyourPeriodicTable:

NobleGases

• Group_______• • ListallnoblegasesfromyourPeriodicTable:

Assignment!• Shadeinthefollowingchemicalfamiliesasindicatedontheoutlineoftheperiodictable.• Writeinthechemicalsymbol,atomicnumber,massnumberforthealkalimetals,alkalineearthmetals,halogens,noblegases.

Colour: Group:

Alkalimetals AlkalineEarthmetals Transitionmetals Halogens Noblegases