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Identify properties of groups on periodic table. Use textbook pgs. 81-82 to answer the following: Who made the first periodic table? How did he order the.

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Presentation on theme: "Identify properties of groups on periodic table. Use textbook pgs. 81-82 to answer the following: Who made the first periodic table? How did he order the."— Presentation transcript:

1 Identify properties of groups on periodic table. Use textbook pgs to answer the following: Who made the first periodic table? How did he order the elements in that early periodic table?

2 Metals in the Periodic Table The metals in Group 1, from lithium to francium, are called the alkali metals. Alkali metals are very reactive & are never found alone in nature. - Metals Alkali Metals VERY…

3 Metals in the Periodic Table Group 2 of the periodic table contains the alkaline earth metals. These elements are not as reactive as the metals in Group 1, but they are more reactive than most other metals. They are never found alone in nature and conducts electricity well - Metals Alkali Earth Metals Reactive…

4 Metals in the Periodic Table The transition metals are less reactive than the metals in Groups 1 and 2. They are hard & shiny and conduct electricity well. - Metals Transition Metals

5 Metals in the Periodic Table Only some of the elements in Groups 13 through 15 of the periodic table are metals. These metals are not nearly as reactive as those on the left side of the table. - Metals

6 Metals in the Periodic Table Lanthanides are soft, malleable, shiny metals that conduct electricity very well. - Metals Lanthanides

7 Metals in the Periodic Table The elements below the lanthanides are called actinides. Many of these elements are so unstable that they last for only a fraction of a second after they are made. - Metals Actinides

8 Families of Nonmetals Each element in the carbon family has atoms that can gain, lose, or share four electrons when reacting with atoms of other elements. - Nonmetals and Metalloids Carbon Family Gain… reacting

9 Families of Nonmetals Group 15, the nitrogen family, contains two nonmetals: nitrogen and phosphorus. These non-metals usually gain or share three electrons when reacting with atoms of other elements. - Nonmetals and Metalloids Nitrogen Family Non-metals… when reacting

10 Families of Nonmetals Group 16, the oxygen family, contains three nonmetals: oxygen, sulfur, and selenium. These elements usually gain or share two electrons when reacting with atoms of other elements. Oxygen Family Gain… reacting

11 Families of Nonmetals The Group 17: Halogens, are the most reactive nonmetals. Atoms of these elements easily form compounds by sharing or gaining one electron when reacting with atoms of other elements. Halogens Contains… nonmetals

12 Families of Nonmetals The elements in Group 18 are known as the noble gases. They do not ordinarily form compounds because atoms of noble gases do not usually gain, lose, or share electrons. Noble Gases Does not…

13 Families of Nonmetals Because the chemical properties of hydrogen differ very much from those of the other elements, it really cannot be grouped into a family. - Nonmetals and Metalloids

14 The Metalloids The metalloids have some characteristics of both metals and nonmetals. The most useful property of the metalloids is their varying ability to conduct electricity. - Nonmetals and Metalloids Metalloids H

15 Periodic Table of Elements


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