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oxygen is an element because it is only made of only one element
water is a compound because it is made of atoms of hydrogen and oxygen chemically combined
mixtures are made of elements or compounds physically combined
4. Atoms of elements have the same properties as the entire element.
All matter is made of small particles called atoms
Salt is a compound because the atoms of chlorine and sodium and there chemically combined
The characteristics of metals are lustrous, malleable, conductors of electricity, and not brittle.
Light is NOT made of atoms
Homogeneous mixtures particles are evenly distrubuted
Heterogeneous mixtures .particles are NOT evenly distributed
Where are metals located on the Periodic Table?. left
Where are nonmetals located on the Periodic Table? right
The elements that make up sugar are carbon, hydrogen, and oxygen
Elements in the same family have traits in common with each other
Tool that measures mass triple beam balance
Tool that measures volume graduated cylinder
Water, sugar, protein, and fat are classified as compounds because they consist of more than one element chemically bonded together.
Tastes sour characteristic of an acid
Feels slippery and tastes bitter characteristics of bases
What are the signs of a physical change? change in size, shape, state of matter
What are the signs of a chemical change?.. new substance is formed, temperature change, precipitate is formed, bubbles are formed
Substances with pH 0-6 acids pH
Substances with pH 8-14 bases pH
substance with pH 7 neutral (distilled water)
molecule 25. 2 or more elements are chemically bonded
a substance made of only one type of atom element
Two or more substances are physically combined mixture
Created by: allengorham
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