Chemistry Exam 1
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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| Chemistry | The study of the structure and properties of various materials.
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| Scientific Method | A logical approach to the solution of a problem.
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| Qualitative | A description without a measurement.
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| Quantitative | A description with a measurement.
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| Weight | The force with which an object is pulled toward the earth.
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| Mass | The measure of the amount of matter in an object.
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| Temperature | The average kinetic energy of the particles in a material.
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| Accuracy | The nearness of a measurement to its accepted value.
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| Precision | The agreement between measurements made in the same manner.
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| Matter | Anything that has mass, takes up space, and exhibits inertia.
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| Phase | A physically separate material with a unique set of properties.
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| Mixture | A combination of 2 or more materials each retaining their own properties.
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| Colloid | A heterogeneous mixture in which the particles do not settle upon standing.
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| Suspension | A heterogeneous mixture in which the particles settle upon standing.
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| Solution | A homogeneous mixture.
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| Substance | Matter with a constant composition throughout.
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| Compound | A combination of 2 or more atoms in a definite ratio.
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| Element | A homogeneous substance that consists of 1 type of atom.
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| Property | A characteristic of matter.
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| Density | The mass of a substance per unit volume.
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| Heat | Thermal energy that is transferred due to a difference in temperature.
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| Activation Energy | The energy required to start a chemical reaction.
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| Atom | The smallest part of an element that still has the properties of that element.
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| Anode | The positive electrode.
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| Cathode | The negative electrode.
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| Isotope | An atom of the same element with a different mass number (number of neutrons).
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| Atomic Number | The number of protons in an atom.
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| Mass Number | The sum of the number of protons and neutrons in an atom.
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| Radioactivity | Occurs when rays are being produced spontaneously by an unstable atomic nucleus.
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| Spectroscopy | The study of the interaction between matter and radiant energy.
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| Frequency | The number of waves that pass a given point each second.
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| Wavelength | The linear distance between corresponding points on consecutive waves or the distance from crest to crest.
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| Heisenberg Uncertainty Principle | It is impossible to know the exact location and momentum of a particle at the same time.
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| Orbital |
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To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
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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