The type of bond formed when two atoms share electrons.
What is a covalent bond?
100
The correct Lewis structure for an atom of chlorine in the ground state. (Hint: ground state = normal state)
What is Cl with 7 dots around it (lone dot must be on the bottom)?
100
The name of the molecular shape that has the largest bond angle.
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 correct Lewis structure for the molecule H2.
What is H-H? (There are NO dots on hydrogen.)
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? When you calculate the electronegativity difference it equals zero, meaning its nonpolar.
300
The correct Lewis structure for hydrogen monochloride.
What is H-Cl, and Cl has 3 lone pairs or 6 dots around it to satisfy the octet rule. Hydrogen should only be bonded to Cl with NO dots or lone pairs on it.
300
The name of the molecular shape with the smallest bond angle.
What is bent? It's bond angle is 104.5 degrees.
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 that is predominant 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 type of bond where are electrons are shared between metal atoms only.
What is a metallic bond?
500
The correct Lewis structure for the hydroxide ion, OH with a charge of -1.
What is [O-H]-1, where oxygen has 3 lone pairs around it (6 total dots). You MUST have the brackets with charge on the upper right hand side - outside the brackets.
500
The molecular shape of a molecule of H2CO.
What is trigonal planar?
500
The correct formula for boron trifluoride.
What is BF3?
500
The name of a compound made up of 2 nonmetal elements that is made up of covalent bonds.