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問題一覧
1
Course presents the fundamentals of physics,chemistry,astronomy and other related subjects.
Physical Science
2
The study of forms of matter, including how matter interacts with other matter
Chemistry
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it is simplest and smallest particle composed of protons,electrons, and neurons
Atoms
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Anything that has mass and takes up space and the “stuff” that everything is made of
Matter
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A positively charged particle inside the nucleus
Proton
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A neutral particle also inside the nucleus
Neutron
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It is a natural science that studies matter, it’s motion and behavior through
Physics
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A negatively charged particle that orbits the nucleus
Electron
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It is a quantitative property that must be transferred to an object in order to perform work on, or to heat, the object
Energy
10
Positively charged it is called?
Cation
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It is pseudoscience that claims to devine information about human affairs and terrestrial eventsby studying the movements and relative positions of celestial objects
Astrology
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In negatively charged it is called???
Anion
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an astronomical object and it is naturally occuring physical entity, association, or structure that exist in the observable universe
Celestial object/bodies
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The subtances that cannot be broken down any further by chemical means. There are over 100
Elements
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this is the arrangement of these elements by increasing atomic number and similar properties
Periodic table
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The number of protons found in the nucleus of an atom
atomic number
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The mass of an atom including the protons, neitrons, and electrons
average of mass
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The father of periodic table ?
Dimitri Mendeleev
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A property used to characterize materials in reactions that change their identity
Chemical Property
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A characteristics of a subtance that can be observed without changing the subtance into something else
Physical Science
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Its good conductors of heat and electricity
Metals
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it is shinyor reflective of light
Lustrous
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means capable of being shaped
Malleable
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Which means being able to allow electricity and heat to flow through
Good conductor
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Very reactive metals, always combine with something else nature
Alkali metals (Group 1)
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Group of reactive metals that are always combined with non-metals in nature.
Alkaline Earth Metals (Group 2)
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In this has less reactive, harder metals. Includes metal used in jewelry,money, and construction
Transition Metals (Group 3-12)
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Group has properties of both metals and non-metals
Boron Family (Group 13)
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Contains elements important to life and computers
Carbon Family (Group 14)
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it’s makes up more than 3/4 of our atmosphere
Nitrogen Family (Group 15)
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it is necessary for respiration and many things that have a bad odor contain sulfur
Oxygen Family and Chalcogens (Group 16)
32
Very reactive, diatomic non-metals
Halogens (Group 17)
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Very reactive gases use in lighted neon signs
Noble Gases (Group 18)