The type of bond formed when two atoms share electrons.
What is a covalent bond?
100
Lewis structures for individual atoms show this.
What are the number of valence electrons?
100
The name of the molecular shape that has the largest angle between the bonds.
What is linear? It's bond angle is 180 degrees.
100
The prefix used to mean four in a chemical name.
What is tetra-?
100
The FULL name of the theory that helps predict the shape of molecules.
What is the valence shell electron pair repulsion theory? (VSEPR theory)
200
The type of bond formed when one atom transfers electrons to another atom.
What is an ionic bond?
200
The number of dots in the Lewis structure for a sulfur atom.
What is 6?
200
The formula the represents a tetrahedral molecule, choices:
CH4 CaCl2 HBr Br2
What is CH4?
200
The correct name of H2O. It must be the chemical name, not the common name.
What is dihydrogen monoxide?
200
The rule that states atoms react to gain or lose electrons to acquire a stable electron configuration of usually eight electrons. There are some exceptions - hydrogen wants two and boron wants six.
What is the octet rule?
300
The molecule that is nonpolar covalent. Choices:
HCl F2 CO2 NH3.
What is F2?
300
The number of shared electron pairs for any hydrogen in a Lewis structure.
What is one pair?
300
The name of the molecular shape for ammonia (NH3)
What is trigonal pyramidal?
300
The correct name os PCl5.
What is phosphorus pentachloride?
300
The type of covalent bond that shares 3 pairs of electrons (6 electrons total).
What is a triple bond?
400
The type of covalent bond in a water molecule. (Hint: polar or nonpolar)
What is a polar covalent bond?
400
The correct Lewis structure for a molecule of CO2.
What is C should be on the middle with both oxygen double-bonded on each side. Carbon has no lone pairs, but each oxygen has 2 lone pairs for a total of 4 dots per oxygen.
400
The molecular shape of a water molecule (H2O).
What is bent?
400
The correct formula for dibismuth trisulfide.
What is Bi2S3?
400
The molecule that contains a triple covalent bond in its Lewis structure, choices:
N2 O2 F2 H2.
What is N2?
500
The number of electrons shared in a triple bond.
What is 6?
500
The position of hydrogen in a correctly-drawn Lewis structure.
What is at the end of a chain (or on the outside of the molecule)?
500
The molecular shape of a molecule of H2CO.
What is trigonal planar?
500
The correct formula for boron trifluoride.
What is BF3?
500
A Lewis structure in which there are multiple correct ways to arrange multiple bonds.