Term
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Definition
| Anything that has mass or takes up space. |
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Term
| What is an atom & what is it made up of |
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Definition
Atom-Anything that can be touched physically. Made up of 3 tiny particles-subatomics: protons, neutrons, electrons. |
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Term
WHICH PARTICLES ARE IN THE NUCLEUS? |
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Definition
PROTONS & NEUTRONS. PROTONS-POSITIVE ENERGY NEUTRONS-NEGATIVE ENERGY |
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Term
| WHICH PHASE OF MATTER HAS THE MOST INTERNAL ENERGY? WHY? WHICH PHASE HAS THE LEAST INTERNAL ENERGY? |
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Definition
Plasma has the most energy because of the number of charged particles. Solids have the least energy because particles can't move, are stationary. |
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Term
| WHAT IS AN ATOM MADE UP OF MOSTLY. |
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Definition
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Term
| WHAT BEHAVIORS DOES AN ELECTRON SHOW? |
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Definition
The main thing to remember is the electron behaves like a wave until its position is measured and the wave function collapses. |
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Term
| HOW DO WE MEASURE ENERGY? |
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Definition
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Term
| WHERE DO WE FIND THE ENERGY IN MATTER? |
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Definition
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Term
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Definition
| Radioactivity is the process whereby unstable atomic nuclei release energetic subatomic particles. |
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Term
| WHAT TYPE OF REACTION IS A NUCLEAR POWER PLANT? |
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Definition
| A nuclear power plant uses controlled nuclear fission |
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Term
| HOW IS HEAT A TYPE OF KINETIC ENERGY |
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Definition
Heat is simply a form of kinetic energy, the total kinetic energy of random motion of all the atoms in an object. |
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Term
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Definition
| The amount of time it takes for half of a substance or entity to undergo some specified process. |
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Term
| HOW DO YOU CALCULATE THE ENERGY IN A NUCLEAR REACTION? |
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Definition
ΔE = Δmc2 where ΔE is the change in energy, Δm is the change in mass (mass of products - mass of reactants), and c is the speed of light (3.00 x 108 m/s). |
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Term
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Definition
| An isotope is a variant on a basic element, a substance made of atoms with a different number of neutrons than is typical. |
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