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WorksheetsAP Chem Unit 2 Review
Total questions: 12
Worksheet time: 15mins
Group 2 elements are most likely to bond with group 17 elements in which ratio?
1:2
2:1
1:1
2:2
Which of the following are covalent compounds?
Zn2+
CH2O
NH4+
NaI
F2
Which of the following bonds will be most polar?
Si-O
C-H
O-O
B-F
Will beryllium and chlorine form a nonpolar, polar, or ionic bond? What is your reasoning?
Which of the following best explains why copper conducts electricity?
It can have two or three valence electrons
It has delocalized electrons that can flow in a circuit
It is a transition metal
It has a low electronegativity
Atoms are most likely to form a bond:
When they are at the lowest potential energy possible
When they are at the highest potential energy possible
When they are opposite charges
When they are close enough for valence electrons to be attracted to the other atom's nucleus
When they are so close their nuclei are touching
Does this model represent an ionic compound? Why or why not?
What is a substitutional alloy?
A metal with one element
A metal with two elements of similar size
A metal with two elements of very different sizes
A metal with layers of different elements
Which is the correct Lewis structure for the compound CH2O?
What hybridization exists for the compound CH2O?
sp3
sp2
sp
there is no hybridization
Is there a resonance structure for CH2O? Why or why not?
A resonance structure for CH2O is shown in the picture. Why is this not the best resonance structure?
because the carbon only has 6 valence electrons
because the oxygen doesn't have a full octet
because the formal charges of oxygen and carbon aren't equal to zero
because the hydrogens don't have a full octet
