(a) Mark by the "+" in a corresponding window those molecules for which the assertions written on the left side of the Table, are true.
Assertion |
Molecule |
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C2H4 |
N2H4 |
H2O2 |
H2F2 |
There is a covalent bond between two equal atoms |
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The molecule contains a double bond |
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The molecule is planar |
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The molecule is polar |
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There is also a hydrogen bond in the molecule |
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It has basic properties in relation to water |
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(b) The following assertion and Table are incomplete. Fill in the dotted places by a missing word and the missing formulas, respectively. Assertion: The electronic structures of the molecules (ions) being placed in the Table one under the other are . . . . . . .
CH4 |
C2H6 |
CO2-3 |
. . . . . . |
C2O4 |
. . . . . |
NH+4 |
N2H2+6 |
. . . . . . |
NO+2 |
. . . . |
N2 |