adevarat / fals Flashcards

1
Q

Legatura covalenta este dirijata in spatiu

A

A

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2
Q

Carbonul implicat in formarea legaturii duble din alchene are simetrie tetragonala

A

F

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3
Q

Atomii legati covalent sunt situati la distante definite si caracteristice

A

A

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4
Q

Numai compusii legati prin legaturi ionice alcatuiesc molecule propriu-zise

A

F

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5
Q

m-xilenul se poate purifica prin sublimare

A

F

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6
Q

Puritatea analitica a unei substante se constata dupa invariabilitatea constantelor fizice

A

A

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7
Q

Validitatea unei formule moleculare se verifica partial daca insumarea covalentelor tuturor atomilor componenti ai moleculei este un numar par

A

A

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