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Chemistry Final Exam Review 2
Test Description: This is a review of multiple chemistry topics taught over a school year.
Instructions: Answer all questions to get your test result.
1) Isotopes
A
Atoms
B
Isotopes
C
Molecules
D
Elements
2) Isotoptes have the same number of protons
A
Isotoptes have the same atomic mass
B
Isotoptes have the same chemical symbol
C
Isotoptes have the same number of protons
D
Isotoptes have the same atomic number
3) Rutherford's alpha particle scattering experiment established that:
A
atoms are made of protons, neutrons, and electrons.
B
electrons have a positive charge.
C
protons are not evenly distributed throughout an atom.
D
electrons have a negative charge.
4) What is the mass number of an atom which contains 28 protons, 28 electrons, and 34 neutrons?
A
62
B
90
C
56
D
28
5) The following ground state electron configuration represents which element? 1s2 2s2 2p5
A
O
B
C
C
B
D
F
6) Which ion does not have the same electron configuration of Argon(1s2, 2s2 2p6, 3s2 3p6)?
A
Na1+
B
K+
C
Cl-
D
Ca2+
7) Group 1 contains which elements
A
halogens
B
alkali metals
C
nobel gases
D
alkaline earth metals
8) The colums on a periodic table are called:
A
groups
B
metals
C
trends
D
periods
9) Which set of elements have the most similar properties
A
Ar, Kr, Xe
B
Lu, Lr, Yb
C
Hf, H, He
D
Ca, K, SC
10) Which is not an ionic compound?
A
CO2
B
LiF
C
K2S
D
NaCl
*select an answer for all questions
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