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SCIENCE TEST QUIZLET
Terms in this set (25)
characteristics that describe the atomic or elemental composition of substances.
matter formed by the chemical combination of elements.
matter that can't be broken down by ordinary means.
the ability of a liquid to be dissolved in another liquid.
characteristics of a substance that describes its, shape, size, or form
the ability of a solid to be dissolved in a liquid.
a property of matter which describes the acidity or alkalinity of a substance.
A pH of 7 indicates
A pH of 6 and lower indicates
A pH of 8 or greater
Compounds with similar elements can have different pH values because of the
composition of the compounds.
Brian has a 6 cm3 block that has a mass of 7.5 grams. Can Brian identify what element or compound that made up the block?
It's impossible to figure that out, without examining several other properties of the block.
Kim is analyzing an unknown grey powder. When she pours hydrochloric acid on the powder it creates bubbles and begins to foam. Because this reaction took place,
Kim is unable to tell if the powder is a compound or an element.
Pete is comparing two substances. They are both heavy pieces of metal that are silver in color. He also notices that both samples weigh the same and bubble when acid is poured over them. With all of these similarities,
Pete can not be sure that the two metals are the same.
For the most part___________ have a different ph value
Nancy poured acid over a silver compound. She observed that bubbles form in the liquid as the compound changed to a blue color. Nancy observed a
The best way to find the volume of a sphere or multi sided figure is to
use volume displacement.
If you break a substance into small pieces you
will not change the density of the substance.
Michele determined the mass, volume, and density of five unknown substances of different sizes. Her results are in the table below. Which of the following substances could possibly be the same compound?
The one with the same density (sample 1 and sample 3)
The physical properties of texture, color, hardness, and smell can be used to identify
An element is a type of matter that cannot be broken down into another substance by
A pH indicator test strip is used to identify
an acid, a base, or a neutral substance.
You can not determine whether a substance is an element or a compound by its
If a substance is soluble it can be
dissolved in a liquid.
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