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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
compound
B
mixture
C
solvent
D
solution
2) Which of the following is a mixture that appears to be a single substance?
A
concentration
B
element
C
compound
D
solution
3) Where are the nonmetals located on the periodic table?
A
along the zig zag line
B
right side
C
left side
D
at the bottom
4) A property of bases is that
A
it feels slippery and has a bitter taste
B
it turns litmus paper red
C
it tastes sour
D
it reacts strongly with some metals to form new compounds
5) Soup is an example of
A
compound
B
solution
C
mixture
D
element
6) Which of the following is a compound?
A
carbon
B
chlorine
C
sodium chloride
D
sodium
7) What particle in an atom's nucleus has no charge?
A
electron
B
proton
C
neutron
8) What is contained in the electron cloud?
A
electrons and a lot of empty space
B
electrons and neutrons
C
electrons and a little empty space
D
electrons and protons
9) Which of the following types of elements touch the zig-zag line in the periodic table?
A
nonmetals
B
lanthanides
C
actinides
D
metalloids
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
metalloid
B
nonmetal
C
metal
D
aurum
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 negative charge
B
the pure substance has a positive charge
C
the pure substance can be identified as a metal
D
The pure substance can be identified as a specific element
12) If an element's atomic number is 17, this means that element has
A
17 ways to exist
B
17 protons in the nucleus
C
17 electons in the nucleus
D
17 places on the periodic table
13) Elements in the same _______________ have similar chemical properties.
A
metal
B
columns or groups
C
section
D
rows or periods
*select an answer for all questions
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