Group 1a on periodic table
The Periodic Table of the Elements
Group 1A (1) – Alkali Metals The metals in Group 1, from lithium to francium, are called the alkali metals. Alkali ... 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. ...
[PDF File]Chapter 18: The Representative Elements
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The Group 8A elements c. The Group 1A elements d. A portion of the Group B elements e. An arrangement of elements according to similarities in their properties f. Group A elements g. The horizontal rows of the periodic table h. The Group 7A element . Answer the following questions in the space provided. 13. List the elements of Group 5A. ...
[PDF File]Chapter 8 Periodicity (Ch8 Chang, Chs7 and 8 in Jespersen)
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2.6 Elements and the Periodic Table • Periodicity in the properties of the elements – Mendeleev’s table, 1871 – arrangement by atomic mass – Modern version of the table – arrangement by atomic number • Groups – vertical columns in the table – A groups (1, 2, 13-18) – representative elements – B groups (3-12) – transition ...
[PDF File]Chapter 7 Electron Configuration and the Periodic Table
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o Group 1A o Group 2A o Group 3A o Group 4A o Group 5A o Group 6A o Group 7A o Group 8A 1 Big Idea: The structure of atoms determines their properties; consequently, the behavior of elements is related to their location in the periodic table. In general nonmetallic character becomes more pronounced toward the right of the periodic table.
[PDF File]The Periodic Table
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•Comparison of 1A and 1B –Have single valence electron –Properties differ –Group 1B much less reactive than 1A –High IE of 1B - incomplete shielding of nucleus by inner “d” and outer “s” electrons of 1B strongly attracted to nucleus –1B metals often found elemental in nature (coinage metals)
The Parts of the Periodic Table
Periodic Table of the Elements Period Group** 1 IA 1A 18 V IIIA 8A 1 1 H 1.008 2 IIA 2A 13 IIIA 3A 14 IVA 4A 15 VA 5A 16 VIA VIIA 6A 17 7A 2 He 4.003 2 3 Li 6.941 4 Be 9.012 5 B 10.81 6 C 12.01 7 N 14.01 8 O 16.00 9 F 19.00 10 Ne 20.18 3 11 Na 22.99 12 Mg 24.31 3 IIIB 3B 4 …
[PDF File]A1: The Periodic Table: Organizing the Elements
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Periodic Relationships Among the Elements (Periodic Trends) Classification of the elements There are four categories of elements in the Periodic Table (recall Chapter 2) 1. Noble gases, elements in which the outer shell is complete, Group 8A. 2. Representative elements (main group) Groups 1A, 2A, 2B, 3A, 4A, 5A, 6A, and 7A.
[PDF File]Electron Configuration and the Periodic Table
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7) The oxidation number of Group 1A elements is always +1 and the oxidation number of Group 2A elements is always +2 8) The oxidation number of oxygen in most compounds is –2 9) Oxidation numbers for other elements are usually determined by the number of electrons they need to gain or lose to attain the electron configuration of a noble gas
[PDF File]2.6 Elements and the Periodic Table • Elements in a group ...
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•identify periods in the periodic table. •describe the similarities among elements in the same period in the periodic table. Vocabulary actinide series elements with atomic numbers 89 – 102 alkali metals Group 1A of the periodic table alkaline earth metals Group 2A of the periodic table group (family) a vertical column in the periodic table
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