For each element the top number next to each element is _____________
A. 
Mass number
B. 
Atomic number
2.
For each element the bottom number next to each element is _____________
A. 
Mass number
B. 
Atomic number
3.
The ________________________ tells us the the number of protons.
A. 
Atomic number
B. 
Mass number
4.
The ________________________ tells us the the number of protons and neutrons
A. 
Atomic number
B. 
Mass number
5.
Picture Uranium (U) with the number 238 on the top left and the number 92 on the bottom left. What is the number of protons?
A. 
238
B. 
146
C. 
92
6.
Picture Uranium (U) with the number 238 on the top left and the number 92 on the bottom left. What is the number of neutrons?
A. 
146
B. 
92
C. 
238
7.
Elements that have the same atomic number but different mass number are said the be __________ of each other
A. 
Neutral
B. 
Isotopes
C. 
Enriched
8.
You have A) one Uranium with a mass number of 235 and atomic number of 92. You have another B) Uranium with a mass number of 238 and atomic number of 92. Which one is the Isotope?
A. 
B
B. 
A
9.
The mass spectrometer (mass spec) is the cornerstone of much of ‘elemental analysis’ and analytical chemistry in general, which was invented by
A. 
Antoine Lavoiser
B. 
Issac Newton
C. 
Francis William Aston
10.
Avogadro's number is the formula ______________________
A. 
6.12 x 10 to the 14th power
B. 
6.022 x 10 to the 23rd power
C. 
3.14 x 10 to the 16th power
11.
Atom or molecule that has a distinct charge associated with it.
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