periodic table, stable & unstable atoms | Baamboozle - Baamboozle

10-The no. of valence electrons for group 18 is........... except helium has ...............

8 - 2

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19-Oxygen atom has 4 valance electrons

False

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8-The number of valence electrons in an atom equals the ones digit of the group number.

true

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11-Is a simple way to show how the valence electrons are arranged in the outer shell.

electron dot diagram ( Lewis structure )

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6-It is a column on the periodic table, where the atomic number of each element increases by eight from up to down.

Group ( family )

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20-This is a correct dot diagram for oxygen (O) which is found in group 16 , it can form 2 bond with another atom

True

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1-The vertical column on the periodic table………………………………………

Group

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7-It is a row of the periodic table, where the atomic number of each element increases by one from left to right.

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14-The atom is chemically ....................if some of the dots are unpaired in Lewis structure so it can form .....................with another atom

unstable -bond

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12-in Lewis structure, valence electrons are put as Dots one-by-one around the element's symbol

true

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18-the number of unpaired electrons in fluorine is .........and the number of bond that can form is......... with another atom

one - one

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13-The atom is chemically ..................if all dots are paired in Lewis structure

stable

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9-The no. of valence electrons for 15 is..............

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