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Ch 5 1/3
Test Description: Periodic table
Instructions: Answer all questions to get your test result.
1) The order of elements in the periodic table is based on
A
number of neutrons in the nucleus
B
atomic mass
C
number of protons in the nucleus
D
electrical charge of nucleus
2) Atoms of elements that are in the same group have the same number of
A
neutrons
B
protons
C
valence electrons
D
protons and neutrons
3) Which of the following elements is an alkali meta
A
calcium
B
mercury
C
magnesium
D
sodium
4) Carbon and other non metals are found in which area of the periodic table
A
in the bottom rows
B
on the left hand side
C
in the middle
D
on the right hand side
5) In Mendeleev's periodic table,elements in each column had similar
A
atomic masses
B
symbols
C
atomic numbers
D
properties
6) as you move left to right across the periodic table,elements
A
become less metallic
B
have a lower atomic weight
C
have a lower atomic number
D
become more metallic
7) What is Mendeleev known for
A
creating today's atomic model
B
discovering Mendelevium
C
discovering protons
D
publishing the first periodic table and making predictions about missing elements
8) Mendeleev left gaps in his periodic table because
A
no known elements fit there
B
full too small
C
the table was too small
D
protons were missing
9) Each column of the periodic table is
A
an isotope
B
a group
C
a period
D
an element
10) The periodic law states that elements that have similar properties appear
A
at regular intervals
B
at every tenth element
C
to the left of each other
D
to the right of each other
*select an answer for all questions
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