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15
×
Why is this family, the Halogens, the most reactive NONMETAL family?
They are 1 electron away from having a full outer shell.
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15
×
Which of the following lists of properties best describes nonmetals?
Malleable, shiny, conductor
Brittle, shiny, conductor
Malleable, dull, insulator
Brittle, dull, insulator
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15
×
Valence Electrons determine the __________________ .
Chemical Properties or Reactivity of the atom.
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15
×
Is the blue section of the periodic table showing metals, nonmetals or metalloids?
Metals
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15
×
What period is this element in?
Period 4
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15
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What is the group # and period # for this element?
group 5. period 2
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15
×
What property do sulfur and oxygen have in common?
Both have 6 valence electrons
Both are gases
Sulfur and oxygen do not have any properties in common
Both are metals
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20
×
Which of the following is true for elements listed in the same column of the periodic table?
they have the same number of protons
they have the same atomic mass
they are identical
they have similar chemical properties
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heart
Other team wins 15 points!
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star
Double points!
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shark
Other team loses 15 points!
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thief
Give points!
5
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25
×
lifesaver
Give 15 points!
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magnet
Take 25 points!
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shark
Other team loses 15 points!
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banana
Go to last place!
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15
×
Why are noble gases nonreactive/ stable/ or least reactive?
these atoms have full outershells.
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15
×
What characteristic of an element is the best indicator for determining what other elements it will react with?
the atomic mass of the element
the number of valence Electrons
the number of neutrons of the element
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15
×
A student states that sodium (Na) has different chemical properties than magnesium (Mg). Do you agree? Justify your answer.
Sodium and magnesium have different numbers of valence electrons.
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15
×
Based on the Periodic Table, which of the following elements has physical and chemical properties most like potassium?
Bromine
Calcium
Neon
Sodium
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seesaw
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shark
Other team loses 25 points!
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fairy
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25
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lifesaver
Give 25 points!
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10
×
Why is the group alkali metals the most reactive metals?
Alkali metals only have one valence electron.
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