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Chemistry 2
Test Description: Subatomic Particles
Instructions: Answer all questions to get your test result.
1) NaCl is an example of a
A
element
B
compound
C
molecule
2) O is an example of
A
element
B
molecule
C
compound
3) Subatomic particle with a positive charge
A
electron
B
proton
C
neutron
4) subatomic particle with a mass of less than 1 amu
A
electron
B
neutron
C
proton
5) Electrons found in the outermost shell of an atom
A
valence electrons
B
protons
C
electrons
D
neutrons
6) Most reactive nonmetal family
A
Alkali
B
Halogen
7) Most reactice family of metals
A
Halogen
B
alkali
8) Least reactive family
A
Alkali
B
Noble gas
9) Family that has 4 valence electrons
A
carbon
B
nitrogen
C
alkali
D
noble gas
10) Periods are ___ on the periodic table.
A
columns
B
rows
11) Number of groups on the periodic table of elements
A
7
B
8
C
18
*select an answer for all questions
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