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