Unit 1, Section 3 Word Scramble
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Question | Answer |
Model | A simplified representation of something more complex, that facilitates understanding certain aspects of a real object or process |
Atoms | The smallest unit of an element that retains the chemical properties of that element |
Nucleus | The dense, positively charged structure found in the center of the atom. It is composed of protons and neutrons |
Proton | A particle with a positive charge, found in the neucleus of atoms |
Electron | A particle with a negative charge. Electrons more very fast around the outside of the nucleus of atoms. |
Neutron | A particle that does not have a charge found in the nucleus of atoms |
Radioactive Isotopes | Any isotope that gas an unstable nucleus and decays over time |
Nuclear Reaction | A process that involves changes the nucleus |
Radioactive Decay | A spontaneous Process by which an atom emits radiation or particle to become more stable |
Fusion | The joining of two nuclei to form a larger nucleus accompanied by a release of energy |
Fission | The splitting apart of an atomic nucleus into two smaller nuclei accompanied by a release of energy |
Alpha Particle | A particle composed of two protons and two neutrons, equivalent to the nucleus of a helium atom |
Beta Particle | An electron emitted from the nucleus of an atom during beta decay |
Gamma Ray | A form of high energy electromagnetic radiation emitted during nuclear reactions |
Alpha Decay | Nucleus losses helium, 2 the left |
Beta Decay | Neutron turns into proton, move to the right |
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