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WorksheetsMolecular Geometry PreLab
Total questions: 30
Worksheet time: 19mins
What is this unit focusing on?
Molecular Geometry
The Water Cycle
The Periodic Table of Elements
Electronegativity
What is the difference between Covalent and Ionic bonds?
Electrons in Covalent bonds are shared, and Electrons in Ionic bonds are transferred
Electrons in Covalent bonds are transferred, and Electrons in Ionic bonds are shared
There is no difference
Electrons in Covalent bonds disappear, and Electrons in Ionic bonds don't exist
Do all compounds have a chemical formula?
No!
Yes!
Which element is a useful building block of larger molecules?
Oxygen
Nitrogen
Carbon
Helium
Up to how many atoms can Carbon bond with at one time?
5
2
1
4
What rule do bonding atoms follow?
The octopus rule
The fourth rule
The laws of electronegativity
The octet rule
What is bond length?
The average distance between two bonded atoms.
How long it takes to form a bond
Where the bond information is stored
The reason for the octet rule
What is a single bond?
1 pair of electrons (one line)
2 pairs of electrons
A bond that only applies to nitrogen
2 lines
What are multiple bonds?
Bonds with one line
Bonds with more than one line
What is molecular geometry?
The positions of the atomic nuclei in a molecule
Geometry dealing with squares
Geometry that is only concerned with carbon
The specific three-dimensional arrangement of atoms in molecules
What are non-bonded electrons shown by two dots called?
molecules
lone pairs
double bonds
triple bonds
How many bonds does a tetrahedral have?
4
5
3
8
What is the bond angle of a tetrahedral?
90
108.5
109.5
110.5
Whats an atom that has two bonded pairs and no lone pairs called?
Trigonal Planar
Bent
Tetrahedral
Linear
How many bonded pairs and lone pairs does a trigonal planar atom have?
3 bonded pairs and no lone pair
4 bonded pairs and 2 pairs
5 bonded pairs and 1 lone pair
3 bonded pairs and 5 lone pairs
How many bonds and lone pairs does a bent molecule have?
Three bonds and two lone pairs
Four bonds and four pairs
Two bonds and two lone pairs
none
What is the definition of trigonal pyramidal?
a central atom bonded to three other atoms in the form of a pyramid with lone pairs of electrons
A central atom bonded to 4 other atoms
A central atom bonded by triangles to a pyramid shape
Molecules in a straight line
What is bent?
One central atom with two other atoms bonded to it
something ripped in half
A faulty shape
Whats a double bond?
A chemical bond resulting from the sharing of two pairs of electrons between two atoms
Three bonds
A chemical bond resulting from the sharing of electron between two atoms
a chemical bond resulting from the sharing of three pairs of electrons between two atoms
What is a covalent bond?
a type of bond that has an uneven distribution of charge due to an equal sharing of electrons
IUPAC system
a chemical bond resulting from the sharing of electrons between two bonding atoms
VSEPR
What is a triple bond?
a chemical bond resulting from the sharing of one pair of electrons between two atoms
A chemical bond resulting from the sharing of three pairs of electrons between two atoms
Is this molecule polar or non-polar?
Polar
Non-polar
What is the molecular geometry of CO2?
Bent
Trigonal planar
Trigonal pyramidal
Linear
The polarity of a bond is determined by...
The sum of the electronegativities of the two atoms
The difference in the electronegativities of the two atoms
The charges of the atoms
None of the Above
Does the following reference Polar, Nonpolar, or both:
"affected by an electrical charge"?
Polar
Nonpolar
Both
Does the following reference Polar, Nonpolar, or both:
"equal sharing of electrons"?
Polar
Nonpolar
Both
