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Chemistry

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Erin Bode

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Cards in this guide (13)
Which out of the two following molecules is trigonal planar shape NF3 or PCL3

Neither.

Due to the lone pairs on the N and P atoms, both molecules have a trigonal pyramidal shape.

What would cause the shape of a molecule to be tetrahedral

Four atoms bound to a central atom with no lone pairs

What makes atoms spread out around a central atom

the shared valence electron pairs repel each other.

Which of the following configurations would form a bent molecule

a molecule with two bound atoms and one lone electron pair -apex

What shape would a molecule with two bound groups and two lone pairs have

The correct answer is: Bent.

How does the shape of a molecule affect the polarity of the molecule

C.A molecule that has a symmetrical shape will be a nonpolar molecule.

What are repelled in the VSEPR theory

Electron pairs

What is the correct name for MgBr2

Magnesium bromide

In what way does the shape of a molecule affect how the molecule is involved with living systems

it determines how the molecule functions

Which of the following elements is the smallest

question: which of the following elements is the smallest?

answer: chlorine (CI)

What type of bonding around a central would result in a trigonal planar molecule -apex

3 atoms around a central atom with no lone pairs.

How does a lone pair contribute to the molecular shape

The lone pair repels the electrons of the adjacent bonds more so than does a bonding pair of electrons, so thus alters the molecular geometry of the molecule.

Which statement is the best description of a chemical bond

A chemical bond holds atoms together

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