BCSTORY 2010 BCCE Bob - Contents
Bestchoice Home
Subject Index
Page 1
The bestchoice in e-learning - Review
Page 2
Teaching model: one-on-one tutorial - Review
Page 3
Looking at the data
Similar for a variety of cohorts - Review
Page 4
Introduction to mechanisms - Review
Page 5
Nucleophiles and electrophiles - Review
1 marks
Page 6
Which has nonbonding electrons?
60% first right
H
+
most common wrong choice (20%)
1 marks
Page 7
Which has two nonbonding electron pairs?
55% first right answer (ethane least chosen answer)
1 marks
Page 8
Identify the nucleophile
51% of choices entered were wrong
23% CH
3
Br, 17% H
+
1 marks
Page 9
Identify the electrophile
90% of students got this right!
2 marks
Page 10
Choose which reactant is a nucleophile and which is an electrophile
55% first right (lots of guessing!)
3 marks
Page 11
Identify nucleophile and electrophile PLUS charge on product
Much better average 80% first right on all answers
3 marks
Page 12
Identify nucleophile and electrophile
90% on nucleophile electrophile
45% on charge
5 marks
Page 13
Identify nucleophile and electrophile plus analyse bond-breaking and making
Good at identification, poor at analysis
Page 14
Showing electron movement using curly arrows - Review
6 marks
Page 15
Revealing the thinking
Arrow pushing
12 marks
Page 16
Arrow pushing
11 marks
Page 17
Arrow pushing
Page 18
Acknowledgements - Review