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54 Cards in this Set
- Front
- Back
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Anything that occupies space and has mass (weight) |
Matter |
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The ability to work |
Energy |
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Types of energy |
Chemical electrical mechanical radiant kinetic potential |
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Example of chemical energy |
Dropping a tab into a bottle of water |
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Example of electrical energy |
Electricity |
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Equals the number of protons that the element contains |
Atomic number |
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Example of mechanical energy |
Riding a bicycle |
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Example of radiant energy |
The sun rays |
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Fundamental units; different flavors of matter |
Elements |
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What percent of the body is made from 4 elements |
96% |
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What are the 4 major elements that the body are composed of? |
Carbon (C) Hydrogen (H) Oxygen (O) Nitrogen (N) |
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Trace elements? |
M |
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Building blocks of elements |
Atoms |
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What particles are stored in the nucleus of an atom? |
Protons and Neutrons |
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What particles are stored in the electron cloud of the atom? |
Electrons |
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Equals the number of protons that element contains |
Atomic number |
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Sum of the protons plus the neutrons |
Atomic mass number |
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Elements that have the same number of protons but vary in number of neutrons |
Isotope |
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Close to mass number of most abundant and reflects natural isotope variations |
Atomic weight |
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Process of spontaneous atomic decay |
Radioactivity |
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Heavy isotopes , tends to be unstable, decomposes to more stable isotope |
Radioisotopes |
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Two or more like atoms are combined chemically |
Molecule |
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Two or more different atoms chemically combined |
Compound |
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How are atoms United? |
By chemical bonds |
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When do atoms dissociate from each other? |
When chemical bonds are broken |
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What are energy levels called? |
Energy shells |
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What occupies energy shells? |
Electrons |
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Where are the most strongly attached electrons? |
Closest to the nucleus |
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What energy shell do you fill first? |
The one closest to the nucleus |
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Interactions between electrons in the outer shell (valence electrons) |
Bonding |
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What rule states that atoms are considered stable when their outermost orbital has 8 electrons |
Rules of eight ( otec rule) |
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What is the only exception to the rule of eights? |
Shell 1 since it only can have 2 electrons |
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What is the only exception to the rule of eights? |
Shell 1 since it only can have 2 electrons |
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Polar |
Have a positive and negative side |
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Weakest bonds Water have these bonds |
Hydrogen bond |
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Weakest bonds Water have these bonds |
Hydrogen bond |
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Synthesis reaction |
A + B = AB |
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Weakest bonds Water have these bonds |
Hydrogen bond |
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Synthesis reaction |
A + B = AB |
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Decomposition reaction |
AB = A + B |
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Weakest bonds Water have these bonds |
Hydrogen bond |
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Synthesis reaction |
A + B = AB |
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Decomposition reaction |
AB = A + B |
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Exchange reaction |
AB + C = AC +B |
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Contain carbon Most are covalently bonded Ex C6H12O6 (glucose) sugar |
Organic compounds |
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Contain carbon Most are covalently bonded Ex C6H12O6 (glucose) sugar |
Organic compounds |
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Lack carbon Tend to be simpler compounds Ex H2O (water) , NaCl (salt) |
Inorganic compounds |
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Contain carbon Most are covalently bonded Ex C6H12O6 (glucose) sugar |
Organic compounds |
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Lack carbon Tend to be simpler compounds Ex H2O (water) , NaCl (salt) |
Inorganic compounds |
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Important inorganic compounds |
Water Salts Acids Bases Neutralization reactions pH |
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Contain carbon Most are covalently bonded Ex C6H12O6 (glucose) sugar |
Organic compounds |
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Lack carbon Tend to be simpler compounds Ex H2O (water) , NaCl (salt) |
Inorganic compounds |
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Important inorganic compounds |
Water Salts Acids Bases Neutralization reactions pH |
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Important organic compounds |
Carbohydrates Lipids Proteins Nucleus Acids ATP ADP |
