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Ch 5 2/3
Test Description: Periodic table
Instructions: Answer all questions to get your test result.
1) As you move down in a column of the periodic table,elements have
A
lower atomic number
B
fewer protons
C
higher group number
D
higher atomic number
2) What is the location of element in the periodic table related to?
A
number of electrons
B
electron arrangement
C
color
D
atomic weight
3) Elements that belong to the same group have the same number of
A
neutral electrons
B
total electrons
C
valence electrons
D
inner electrons
4) Atoms that gain or lose electrons are called
A
ions
B
non metals
C
metals
D
isotopes
5) Elements that have one valence electron tend to
A
become charged
B
form ions
C
all of the answers are correct
D
be highly reactive
6) The three main groups of elements are metals,non metals and
A
inert gases
B
alkali metals
C
radioactive isotopes
D
semiconductors
7) Most elements on the left side of the periodic table are
A
metals
B
semiconductors
C
metalloids
D
non metals
8) How do you know that potassium, an alkali metal, is highly reactive
A
it is a soft and shiny metal
B
it has one valence electron
C
it conducts electricity
D
it conducts heat
9) Which of the following is NOT true of noble gases
A
they are highly reactive
B
they exist as single atoms
C
they belong to group 18
D
they are non metals
10) When can semiconductors conduct heat and electricity?
A
under some conditions
B
under no conditions
C
under all conditions
D
under almost all conditions
*select an answer for all questions
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