Density, Elements v Compounds, Physical v Chemical Changes
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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physical characteristics | characteristics observed or measured. does Not change the identity of the substance
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chemical characteristics | ability to change into a NEW substance with different properties
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production of gas | Bubbles, Foaming, Fizzing, Smoke, Odor
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color change | A different color appears. *Not always chemical
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formation of percipitiate | Cloudiness, foggy, Solid at the bottom
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change in heat or light energy | Temperature Increase, Temperature Decrease, Spark, Explosion, Glowing
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element | PURE Substance, One kind of atom, Same "shape"
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element symbol | shown by 1-2 letters. 1st letter is always Capital, 2nd is lowercase. Ex: Na
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compound | More than one kind of atom. Different "shapes" Ex: H2O
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subscript | tells you how many atoms of each element the compound has.
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no subscript | only has one atom of that element
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metals | to the Left of the zigzag. Solid at room temp. (except Mercury). Good conductors. Metallic. Ductile. Malleable
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metalloids | on the zigzag. Share properties of metals and nonmetals. Ex: B, Si, Ge, As, Sb, Te, Po
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nonmetals | to the Right of the zigzag. Solid, liquid or gas at room temp. Poor conductors. Brittle. Not metallic.
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metallic | Shiny
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ductile | ability to be pulled into wire
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malleable | ability to be hammered into sheet
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You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
ScienceRMS6
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