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Atoms, Elements And Molecules 3
Test Description: Practice test questions covering matter, atoms, mixtures, compounds, elements and the periodic table.
Instructions: Answer all questions to get your test result.
1) Which of the following is a compound?
A
Pb
B
N2
C
CO2
D
Au
2) Atoms chemically bonded.
A
element
B
period
C
mixture
D
compound
3) All of one atom.
A
element
B
mixture
C
compound
D
period
4) Electrons have a ________ charge.
A
neutral
B
positive
C
high
D
negative
5) CH4 is the chemical formula for methane. Methane consists of which of the following elements?
A
Calcium and Hydrogen
B
Cadmium and Helium
C
Carbon and Hydrogen
D
Californium and Helium
6) Every atom of the same element has the same atomic number.
A
False
B
True
7) What is the name of the element on the periodic table with the symbol Na?
A
Nalthium
B
Nabium
C
Sodium
D
Gold
8) Which of the following is the chemical symbol for Mercury?
A
M
B
Hg
C
Au
D
Me
9) What element has 14 protons?
A
Liamanlium
B
Silicon
C
Nitrogen
D
Tin
10) What is the atomic mass of Aluminum (Al)?
A
13
B
28.09
C
26.98
D
12
*select an answer for all questions
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