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Basic Ch 1. Chemical e Compounds 2. Solutions Measureme

hemistry elements & s. and ent Unit. 1

The Periodic chemical

Table of the elements

The Periodic chemical The perio is an arrange elements a similaritie chemic physical pr

Table of the elements odic table : ement of the according to es in their cal and roperties. 3

Chemical ☺ A chemical elem chemical substance ☺ Several terms ar to characterize the and chemical prope chemical elements metals, metalloids,

elements ment is a pure e. re commonly used e general physical erties of the : divided into , and non-metals.

Chemical ☺ Examples of ele non-metals : car metalloids : silic metals : alum cop me

elements ements include: rbon, oxygen con, arsenic minium,iron, pper, gold, ercury, and lead

Rules for chem the period The symbol : ☺ usually th or two le of the n O oxyg Mg mag

mical symbols in dic table: he first one etters name. : gen gnesium

Rules for chem the period ☺ The first let a capital let ☺ The second l always a sma : Ca (calcium

mical symbols in dic table: tter always tter. letter all letter. m)

Rules for chem the period ☺ Every element has a differe Examples of Eleme C carbon N nitrogen F fluorine

mical symbols in dic table: t ent symbol. entsSymbols : Cl chlorine Ca calcium B boron

Rules for chemica periodic ☺ Sometimes the old Element Symbol Copper Cu Gold Au Lead Pb Mercury Hg Potassium K Silver Ag Sodium Na

al symbols in the c table: (Latin) name is used. Latin name cuprum aurum plumbum hydrargyrum kalium argentum natrium

Compound :Wh combine the end ……………ide”. m Sodium Chlorid Magnesium Ox

hen two elements ding is usually ” metal goes first de Na Cl xide Mg O 10

Compound : When different elements of them is Oxygen, will be “………ate”. metal goes first Copper Sulphate Calcium Carbonate

three or more combine and one , the ending Cu O O S OO O O e Ca C O 11

Compound : When elements combine, t does not change. F2 = Fluorine FF Cl2 = Chlorine Cl Cl O2 = Oxyg

two identical the name H2 = Hydrogen HH N2 = Nitrogen NN gen O O 12

Material Mad Water Hydroge Coal Carbon Carbon dioxide Carbon a Oxygen Oxygen Chalk Calcium Wax Oxygen Carbon & Table salt Sodium

de up of: Element(1) or Compound(2) en and Oxygen and Oxygen n m, Carbon & n & Hydrogen & Chlorine

Name the follow 1. Na2O 2. CuSO4 3. MgSO4 4. KI

wing compounds

Name the follow compo 5. MgCl2 6. ZnO 7. AgNO3 8. H2

wing molecules/ ounds

Chemical e Com What is the between ele compounds

elements & mpounds. difference ements, and mixtures ?