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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
compound
B
molecule
C
element
2) O is an example of
A
element
B
molecule
C
compound
3) Subatomic particle with a positive charge
A
neutron
B
proton
C
electron
4) subatomic particle with a mass of less than 1 amu
A
proton
B
neutron
C
electron
5) Electrons found in the outermost shell of an atom
A
electrons
B
protons
C
neutrons
D
valence electrons
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
alkali
B
nitrogen
C
noble gas
D
carbon
10) Periods are ___ on the periodic table.
A
columns
B
rows
11) Number of groups on the periodic table of elements
A
18
B
7
C
8
*select an answer for all questions
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