Notes A.10-A.13 Organization of Periodic Table. Organization ● The periodic table is organized two...

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Page 1: Notes A.10-A.13 Organization of Periodic Table. Organization ● The periodic table is organized two ways, by period and by family ● Period = Going across.

Notes A.10-A.13

Organization of Periodic Table

Page 2: Notes A.10-A.13 Organization of Periodic Table. Organization ● The periodic table is organized two ways, by period and by family ● Period = Going across.

Organization

● The periodic table is organized two ways, by period and by family

● Period = Going across in rows● Family = up and down in a column

Page 3: Notes A.10-A.13 Organization of Periodic Table. Organization ● The periodic table is organized two ways, by period and by family ● Period = Going across.

Family

Period

Page 4: Notes A.10-A.13 Organization of Periodic Table. Organization ● The periodic table is organized two ways, by period and by family ● Period = Going across.

Period & Family Organization

● Periods are organized according to atomic number

● Families are organized according to similar properties

Page 5: Notes A.10-A.13 Organization of Periodic Table. Organization ● The periodic table is organized two ways, by period and by family ● Period = Going across.

Alkali family

● On far left of periodic table

● Reacts with chloride in 1:1 ratio and oxygen in 2:1 ratio

● Example: LiCl and Li2O

Page 6: Notes A.10-A.13 Organization of Periodic Table. Organization ● The periodic table is organized two ways, by period and by family ● Period = Going across.

Noble Gas Family

● Located on far right of periodic table

● Consists of gases which are very unlikely to react with other elements

Page 7: Notes A.10-A.13 Organization of Periodic Table. Organization ● The periodic table is organized two ways, by period and by family ● Period = Going across.

Halogen Family

● Located just to left of noble gases● Contains chlorine, bromine, and

fluorine● Easily forms anions in ionic

compounds

Page 8: Notes A.10-A.13 Organization of Periodic Table. Organization ● The periodic table is organized two ways, by period and by family ● Period = Going across.

Predicting Properties

● We can predict physical and chemical properties using periodic table

● Use page 124 to do page 126 in book

Page 9: Notes A.10-A.13 Organization of Periodic Table. Organization ● The periodic table is organized two ways, by period and by family ● Period = Going across.

Page 126 Answers1. Between -186 and -112, around -1492. a. 320K

b. Higher, melting point decrease with family from top to bottom3. (EkaSi)Cl4

4. a. CF4 b. Al2S3 c. KCl d. CaBr2 e. SrO

Page 10: Notes A.10-A.13 Organization of Periodic Table. Organization ● The periodic table is organized two ways, by period and by family ● Period = Going across.

How are properties determined?

● # protons determines identity and essential properties

● # and arrangement of electrons determines chemical properties

● Reactions between atoms determine some physical properties (mostly for metals)

● Intermolecular forces determine some physical and chemical properties of compounds


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