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Matter 5
Test Description: The Periodic Table
Instructions: Answer all questions to get your test result.
1) What scientist organized the periodic table that we currently use?
A
Dmitri Mendeleev
B
Democritus
C
Henry Moseley
D
Neils Bohr
2) Why is it called the
A
Elements in the columns of the table have a repeating pattern.
B
Each of the element sybols is followed by a period.
C
Periodically, the number of elements and symbols on the table change.
D
Elements in the rows have show a repeating pattern of properties.
3) How many elements are listed on the most current periodic table?
A
75
B
103
C
118
D
115
4) What do all of the elements in Group 1 have in common?
A
They all have an equal number of protons and neutrons.
B
They are all solids at room temperature.
C
They all have one valence electron.
D
They are all metals.
5) What is the unit for measuring the atomic mass?
A
lb
B
g
C
kg
D
u
6) What is the name for the elements in group 17?
A
Alkali Earth Metals
B
Lanthanides
C
Halogens
D
Alkali Metals
7) What do the elements in the 3rd row of the period table all have in common?
A
similar chemical properties
B
same number of valence electrons
C
electrons at the same outmost energy level
D
Trick Question - they have nothing in common
8) How is the chemical symbol for an element determined?
A
The letters are picked at random by a committee of scientists.
B
They are assigned alphabetically in the order they were discovered.
C
The first letter or two of the chemical name.
D
The first letter or two of last name of the scientist who discovered the element.
9) Mark is reading in his science textbook and comes across a notation for an element: C-14. Which of the following is NOT something he can conclude from reading this notation?
A
What state of matter it is in at room temperature
B
What element it is an isotope of
C
The number of protons and neutrons in the nucleus
D
How many electrons are in a neutral atom
10) Why does Carbon come before Nitrogen on the periodic table?
A
Nitrogen has one more proton than carbon.
B
Nitrogen has one more neutron than carbon.
C
Carbon (C) comes alphabetically before nitrogen (N).
D
Carbon has a lower average atomic mass than nitrogen.
*select an answer for all questions
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