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Periodic table
Question | Answer |
---|---|
Dmitri Mendeleev | Creator of the first published periodic table |
Periodic Table | A tabular way to organize elements by their atomic numbers and chemical characteristics |
Group | a column of elements in the periodic table aka families; organized by chemical properties |
Period | a row of elements on the periodic table arranged by increasing atomic mass |
Chemical Properties | gases created, temperature change, color change |
Physical properties | size, shape, mass, state |
Metal | usually solid, shiny, malleable, ductile and a good conductor |
Metalloid | shares properties of both metals and non metals, they are semi-conductors |
Non Metals | brittle, poor conductors, usually liquids or gases |