Additional Flashcards
1
Q
Who
Cathode Ray Experiment
A
J.J. Thompson
2
Q
Millikan’s oil-drop experiment was for?
A
Measuring an electron’s charge
3
Q
Who
Gold foil experiment
A
Ernest Rutherford
4
Q
Who
Compiled a list of the 23 elements known at that time
A
Antoine Lavoisier
5
Q
Who
Credited with arranging the elements into the first periodic table
A
Dmitri Mendeleev
6
Q
Proposed the concept of atomic number, which is the number of protons in the nucleus of an atom
A
Henry Moseley
7
Q
First scientist to propose that the properties of the elements are periodic functions of their atomic numbers
A
Henry Moseley
8
Q
Valence bond theory
- Head on overlap of orbital
- Lobes are interacting with each other
- Allows bond rotation
A
Sigma bond
9
Q
Valence bond theory
- Side to side overlap
- 2 points of overlap
- Bond rotation is not possible
- Sausage like structures
A
Pi bond
10
Q
Region of zero electron density (no electron found)
A
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