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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
higher atomic number
B
fewer protons
C
higher group number
D
lower atomic number
2) What is the location of element in the periodic table related to?
A
color
B
atomic weight
C
number of electrons
D
electron arrangement
3) Elements that belong to the same group have the same number of
A
neutral electrons
B
inner electrons
C
valence electrons
D
total electrons
4) Atoms that gain or lose electrons are called
A
metals
B
non metals
C
ions
D
isotopes
5) Elements that have one valence electron tend to
A
be highly reactive
B
all of the answers are correct
C
become charged
D
form ions
6) The three main groups of elements are metals,non metals and
A
alkali metals
B
semiconductors
C
inert gases
D
radioactive isotopes
7) Most elements on the left side of the periodic table are
A
metalloids
B
metals
C
semiconductors
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 exist as single atoms
B
they are highly reactive
C
they belong to group 18
D
they are non metals
10) When can semiconductors conduct heat and electricity?
A
under all conditions
B
under almost all conditions
C
under no conditions
D
under some conditions
*select an answer for all questions
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