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15
×
Why does reactivity decrease down Group 7?
Atoms smaller - electrons more attracted to nucleus
Atoms larger - electrons less attracted to nucleus
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banana
Go to last place!
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gold
Win 50 points!
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rocket
Go to first place!
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lifesaver
Give 25 points!
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15
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An isotope is...
An atom with a different number of neutrons
An atom with a different number of electrons
An atom with a different number of protons
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banana
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star
Double points!
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gift
Win 25 points!
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lifesaver
Give 25 points!
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15
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The elements in the Periodic table are currently arranged by...
Period number
Atomic proton number
Atomic mass
Group number
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15
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Why does reactivity increase down Group 1?
Electrons in outer shell closer to nucleus
Electrons in outer shell further from nucleus
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15
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Which element is in group 7?
Gold
Hydrogen
Chlorine
Oxygen
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An ion is an atom that...
Has a neutral charge
Has formed a bond with a non metal
Has lost or gained electrons
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What happens to reactivity as you go down Group 7?
It decreases
It increases
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monster
Reset all scores!
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gift
Win 10 points!
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rocket
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baam
Lose 25 points!
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15
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Which elements does the chemical symbol "Pb" represent?
Lead
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Which elements does the chemical symbol "Mg" represent?
Magnesium
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Which elements does the chemical symbol "Cu" represent?
Copper
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What happens to reactivity as you go down Group 1?
It increases
It decreases
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15
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Which elements does the chemical symbol "Au" represent?
Gold
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15
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Which element is in group 1?
Copper
Oxygen
Gold
Lithium
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