Chemical Bonding and Molecular Shapes

1. Which element will have 5 electrons in its Lewis dot symbol?

• Bromine

• Nitrogen

• Neon

• Boron

If there are three (3) electron pairs around the central atom of a molecule, these electron pairs are in a _________________arrangement.

• tetrahedral

• octahedral

• trigonal planar

• linear

What type of bond does NO₂ forms?

• covalent

• ionic

• metallic

• coordinate covalent

A valid Lewis structure of _______ cannot be drawn without violating the octet rule.

• NF₃

• IF₃

• PF₃

• SbF₃

As the number of covalent bonds between two atoms increases, the distance between the atoms ______ and the strength of the bond between them ______.

• increases, increases

• decreases, decreases

• increases, decreases

• decreases, increases

The ability of an atom in a molecule to attract electrons is best quantified by the ______.

• electronegativity

• paramagnetism

• diamagnetism

• first ionization energy

Ionic Bonding involves...

• The transfer of protons
• The transfer of nuetrons 
• The transfer of electrons
• None Of the above

Tags

NGSS.HS-PS1-2

VSEPR is based on the assumption that 

• positive ions repel each other
• positive ions attract negative ions
• sp² hybridization occurs
• electrons in molecules repel each other

What is the VSEPR shape for CO₂?

• Linear
• Trigonal planar
• Bent
• Trigonal pyramidal 

Which of the following has a full valence shell?

• Oxygen
• Neon
• Barium
• Carbon

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2