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