Four Major Classifications Of Heterogeneous Mixtures

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1. The four major classifications of matter are elements, compounds, homogeneous, and heterogeneous mixtures. An element is a substance that contains atoms which all have the same number of protons. Some examples of elements are, hydrogen, oxygen, carbon, and nitrogen. A compound is a substance made from two or more elements reacted chemically with each other. Some examples of a compound are, water(hydrogen2 + oxygen= H20), salt(sodium + chloride= NaCl), hydrogen peroxide(hydrogen2 + oxygen2= H2O2), and baking soda(sodium + hydrogen + carbon + oxygen3=NaHCO3). A homogeneous mixture is any mixture that is uniform in composition throughout the whole mixture. Examples of homogeneous mixtures are coffee, mouthwash, laundry detergent, and vinegar. These are homogeneous because they can only …show more content…
A heterogeneous mixture is a mixture that is not uniform in composition. Some examples of a heterogeneous mixture are cereal because it has different colored cereal pieces floating around in the milk, sand shaken up in a water bottle because the tiny grains of sand are floating around in the bottle, rocks in the sand because they are all different shapes, sizes and colors all thrown together in one place, and nuts because they can be separated easily. This explains the four major classifications of matter.

2. To find the density of a solid in a laboratory setting, the student would first have to find all of the dimensions of the solid by using a ruler. The next step would be to find the volume. The formula for finding the volume of a solid is length x width x height(pertaining to a rectangular prism). Then the student will measure the mass of this solid on a scale. The student will divide the mass by the volume of the solid to find its density. There are a series of steps you have to follow to separate sand, salt, water, and iron fillings. The student will need these substances and a magnet
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