Module 7 Lesson 3 Quiz: Molecular Structures

When hydrogen is part of a molecular structure, it is always a ____ atom.

• terminal

• central

• ionic

• -1

When two or more Lewis dot structures are possible for one molecule, the molecule is said to have _____

• resonance

• polarity

• isomer

• fluidity

Which Lewis structure is correct for selenium difluoride?

• Fig 1

• Fig 2

• Fig 3

• They all work

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Which polyatomic anion is pictured in this Lewis structure? (carbonate)

Which atom never forms double or triple bonds?

• Nitrogen

• Oxygen

• Sulfur

• Hydrogen

In forming molecular structures, each atom should have ____ electrons around it (unless it is one of the special exception cases)

• two

• four

• six

• eight