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15
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the outermost energy level of any halogen contains ....... electrons
7
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15
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Halogens are considered from ....... block groups
P
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15
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the element which can't replace bromine in its salt solution
iodine
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15
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the molecule of halogen is composed of ..... atoms
two
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15
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the halogens which exist in a gaseous state is ....
fluorine and chlorine
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monster
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fairy
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5
10
15
20
25
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gift
Win 20 points!
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thief
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5
10
15
20
25
×
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