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[DOCX File]WordPress.com
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Atoms, elements, compounds and the periodic table . Lesson 1: Elements and the periodic table. Atoms are the smallest unit in Chemistry and are made up of protons, neutrons and electrons. The protons and neutrons are found in the centre of the atom in the nucleus and the electrons are found orbiting the nucleus in shells.
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[DOC File]Periodic Properties of the Elements
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The periodic table is a central tool in helping us to understand regularities in the behavior of elements and compounds. In the nineteenth century people noted similarities among various elements and tried to find a pattern of relationship among them.
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[DOC File]ELEMENTS AND COMPOUNDS
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Elements are shown in a chart called the Periodic Table. Elements are made up of only one type of atom. They cannot be broken down into simpler substances. For elements where the symbol is one letter, that letter is a capital. For elements where the symbol is two letters, the first letter is a capital and the second is lower case.
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[DOC File]Elements and the Periodic Table
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Elements and the Periodic Table. STUDY GUIDE: Which of the following compounds contains the greatest number of . elements? CO. C22H68. C2H14O6. CH6. Arrange the following going from simplest to complex: atoms, compound, element. How many elements are listed in the periodic table? What do elements in the same column have in common? What does ...
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[DOCX File]Atoms, Elements, and Compounds - Diocesan College
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(For example, many of the +1 valency elements are in group 1 of the periodic table.) Some elements have a positive valency (e.g. Na+, Al3+ ) and some negative (e.g. Br-, O2-). When working out the formula the positive and negative valencies must cancel out – add up to zero.
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[DOCX File]Elements, Compounds & Mixtures Worksheet
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Elements, Compounds & Mixtures Worksheet. Part 1: Read the following information on elements, compounds and mixtures. Fill in the blanks where necessary. Elements: A pure substance containing only one kind of _____. An element is always uniform all the way through (homogeneous).
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[DOC File]Elements, Compounds & Mixtures Worksheet
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Elements: A pure substance containing only one kind of __ atom ____. An element is always uniform all the way through (homogeneous). An element __ cannot ___ be separated into simpler materials (except during nuclear reactions). Over 100 existing elements are listed and classified on the _ Periodic Table _. Compounds:
element periodic table

Elements and compounds periodic table