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Review Topics for Unit Assessment Name: _________________________ M2(0 ) Date: ___________ What is the structure of an atom? Protons, Neutrons and Electrons o For each particle, know the electrical charge (+, - or neutral) and location in the atom. o Why are atoms of elements neutral? (HINT: think of protons and electrons.) Atomic Number o What is it? o Where is it in the boxes on the periodic table? Mass Number (also known as Atomic Mass) o What is it? o What do you add to get it? o Where is it in the boxes on the periodic table? o If you know the AN, how you use the MN to find the number of neutrons? How is the periodic table organized? o A vertical column of the periodic table is called a ________________. o Elements in the same vertical column have very similar _______________. o A horizontal row of the periodic table is called a ________________. Where are the 5 main groups of elements - Alkali Metals, Alkaline Earth Metals, Metals, Halogens and Noble Gases - on the periodic table? In general, what properties to metals have? Nonmetals? In general, metals have these properties: In general, nonmetals have these properties: More specifically, what properties do the elements in each of the 5 groups have? Be sure you can remember the name, properties and location of each of the 5 groups. Note: you’ve already done this with your worksheet “Groups: Elements with Similar Properties”! GROUP Alkali Metals Alkaline Earth Metals Transition Metals Halogens Noble Gases Where is it on the periodic table? PROPERTIES (Include: Are they solid, liquid or gas at room temperature?)