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Atom Structure, Periodic Table, Counting Atoms, Chemical Formula, Chemical Reaction
Test Description: This review test includes questions about TEKS 8.5 A-E (See Test Title for Topics)
Instructions: Answer all questions to get your test result.
1) What subatomic particles are found inside the nucleus?
A
Protons and Neutrons
B
All of these
C
Protons and Electrons
D
Electrons and Neutrons
2) An element is shiny, ductile, and is reactive. This element is grouped with ___.
A
None of these
B
Metals
C
Metalloids
D
Nonmetals
3) According to the law of conservation of mass, the number of atoms of the reactants and the products should be___
A
Less than
B
Greater than
C
All of these
D
Equal
4) Which of the following determines the reactivity of an atom?
A
Electrons
B
Protons
C
Neutrons
D
Valence Electrons
5) Change of state, such as water evaporating, is an example of____.
A
A physical property.
B
A chemical property.
C
A chemical change.
D
A physical change.
6) The numbers (1-18) at the very top of the Periodic table of elements are called
A
Group
B
Period
C
Atomic Mass
D
Atomic Number
7) Sodium (Na) belong to Group 1, while Neon (ne), belong to group 18. Which element is more reactive?
A
None of them
B
Both of them
C
Neon
D
Sodium
8) The element's identity can be determined by its ___
A
Neutrons
B
None of these
C
Electrons
D
Protons
9) In an atom, the valence electrons can be found at ___
A
the nucleus
B
All of these
C
the innermost shell
D
the outermost shell
10) An element is dull, brittle, and not reactive. This element is a __
A
Nonmetal
B
Metal
C
Metalloid
D
All of these
*select an answer for all questions
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