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15
×
Valence Electrons determie the __________________ .
Chemical Properties or Reactivity of the atom.
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heart
Other team wins 10 points!
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seesaw
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fairy
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25
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baam
Lose 25 points!
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baam
Lose 10 points!
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gold
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rocket
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banana
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15
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..................discovered that the nucleus of the atom contains positively charged protons.
Rutherford
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10
×
Atoms with similar properties are located in the same _________.
group or family
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15
×
What is the family group # and period for this element?
group 5. period 2
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10
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What are the characteristics of nonmetals?
dull, poor conductors of electricity
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15
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What group of elements are the least reactive?
Noble gases
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15
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Which element of Group VII is the most reactive one?
Fluorine
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15
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What are 2 properties of metals?
Good conductor for electricity/thermal energy, high density, malleable, high melting points
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10
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Give me an example of a halogen.
Bromine, Fluorine, Chlorine, Iodine, Astatine
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eraser
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fairy
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rocket
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baam
Lose 25 points!
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15
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the vertical coloumn of the periodic table is called..
a group
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15
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What part of the atom is letter C pointing at?
Proton
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15
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What color is the blue section of the periodic table.
The Metals
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15
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the number of protons + neutrons in the atom
mass number
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