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