Chemistry Final Exam Review 2 Question Preview (ID: 9967)
This Is A Review Of Multiple Chemistry Topics Taught Over A School Year.
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Isotopes
a) Atoms
b) Molecules
c) Isotopes
d) Elements
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 chemical symbol
d) Isotoptes have the same number of protons
Rutherford's alpha particle scattering experiment established that:
a) protons are not evenly distributed throughout an atom.
b) atoms are made of protons, neutrons, and electrons.
c) electrons have a positive charge.
d) electrons have a negative charge.
What is the mass number of an atom which contains 28 protons, 28 electrons, and 34 neutrons?
a) 28
b) 90
c) 62
d) 56
The following ground state electron configuration represents which element? 1s2 2s2 2p5
a) B
b) F
c) O
d) C
Which ion does not have the same electron configuration of Argon(1s2, 2s2 2p6, 3s2 3p6)?
a) Ca2+
b) Na1+
c) K+
d) Cl-
Group 1 contains which elements
a) alkali metals
b) nobel gases
c) halogens
d) alkaline earth metals
The colums on a periodic table are called:
a) groups
b) trends
c) metals
d) periods
Which set of elements have the most similar properties
a) Hf, H, He
b) Ar, Kr, Xe
c) Lu, Lr, Yb
d) Ca, K, SC
Which is not an ionic compound?
a) LiF
b) K2S
c) NaCl
d) CO2
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