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Ch. 14 Review
Test Description: Review questions for chapter 14
Instructions: Answer all questions to get your test result.
1) Which of the following is a substance composed of two or more elements that are chemically combined?
A
mixture
B
compound
C
solvent
D
solution
2) Which of the following is a mixture that appears to be a single substance?
A
solution
B
compound
C
element
D
concentration
3) Where are the nonmetals located on the periodic table?
A
along the zig zag line
B
at the bottom
C
right side
D
left side
4) A property of bases is that
A
it reacts strongly with some metals to form new compounds
B
it tastes sour
C
it feels slippery and has a bitter taste
D
it turns litmus paper red
5) Soup is an example of
A
compound
B
element
C
solution
D
mixture
6) Which of the following is a compound?
A
sodium chloride
B
chlorine
C
carbon
D
sodium
7) What particle in an atom's nucleus has no charge?
A
neutron
B
proton
C
electron
8) What is contained in the electron cloud?
A
electrons and protons
B
electrons and a little empty space
C
electrons and neutrons
D
electrons and a lot of empty space
9) Which of the following types of elements touch the zig-zag line in the periodic table?
A
nonmetals
B
lanthanides
C
metalloids
D
actinides
10) A sample of an element is brittle and a poor conductor of heat. It cannot be hammered into sheets. Which type of element is the student most likely observing?
A
aurum
B
metal
C
nonmetal
D
metalloid
11) A scientist knows that a pure substance has six protons in the nucleus of each of its atoms. Which of the following can the scientist conclude?
A
the pure substance has a positive charge
B
The pure substance can be identified as a specific element
C
the pure substance has a negative charge
D
the pure substance can be identified as a metal
12) If an element's atomic number is 17, this means that element has
A
17 protons in the nucleus
B
17 places on the periodic table
C
17 electons in the nucleus
D
17 ways to exist
13) Elements in the same _______________ have similar chemical properties.
A
rows or periods
B
metal
C
columns or groups
D
section
*select an answer for all questions
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