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Periodic Table Review 1
Test Description: Periodic Table Review
Instructions: Answer all questions to get your test result.
1) Mendeleev arranged the known chemical elements in a table according to increasing
A
number of electrons
B
mass
C
number of protons
D
atomic number
2) Moving from left to right across a row of the periodic table, which of the following values increases by exactly one from element to element?
A
isotope number
B
mass number
C
atomic mass unit
D
atomic number
3) Which list of elements contains only metals
A
carbon, iodine, tin
B
iodine, carbon, argon
C
tin, copper, cesium
D
helium, iron, copper
4) At room temperature, none of the metals are
A
liquids
B
malleable
C
soft
D
gases
5) Which general statement does NOT apply to metals?
A
most metals are brittle
B
most metals are ductile
C
most metals are good conductors
D
most metals are malleable
6) Group 17 (7A) of the periodic table contains the
A
least reactive metals
B
most reactive metals
C
most reactive nonmetals
D
least reactive nonmetals
7) As you move from left to right across a period, the number of valence electrons
A
stays the same
B
increases then decreases
C
decreases
D
increases
8) The tendency of an element to react is closely related to
A
the number of valence electrons in atoms of the element
B
its atomic mass
C
attraction between its atoms
D
the ratio of protons to neutrons in atoms of the element
9) Which statement is NOT true about the elements fluorine, chlorine and iodine?
A
They are all halogens
B
They are all nonmetals
C
They are similar to noble gases
D
They react easily with metals
10) Group 18 noble gases are inactive because
A
Their outermost energy level is missing one electron
B
Their outermost energy level is full
C
They can have either a positive or negative charge
D
They readily form positive ions
11) Atoms of the elements that are in the same group (or family) have the same number of
A
neutrons
B
valence electrons
C
protons
D
protons and neutrons
12) Valence electrons determine an atom's
A
mass
B
chemical properties
C
electric charge
D
period
13) Oxygen has an atomic number of 8. This means that an oxygen atom has
A
a total of 8 protons and neutrons
B
8 protons in its nucleus
C
a total o 8 neutrons and electrons
D
8 neutrons in its nucleus
14) Which statement about the alkali metals is correct?
A
They are extremely nonreactive
B
They form negative ions with a -1 charge
C
They are usually in a gas form
D
They are located in the left-most column of the periodic table
15) Which statement about the noble gases is correct?
A
They exist as single atoms rather than as molecules
B
They are highly reactive with both metals and nonmetals
C
They are extremely rare in nature
D
They are easily able to form compounds
16) Carbons and other nonmetals are found in which area of the periodic table?
A
in the bottom rows
B
on the left-most side
C
in the middle column of the periodic table
D
on the right side
17) How is the atomic mass of an element determined?
A
Take a weighted average of the masses of the isotopes found in nature
B
Count the number of protons and neutrons in an atom of the element
C
Average atomic mass of all its isotopes
D
Use the atomic mass of the most abundant isotope
18) Compared with Group 1 elements, Group 17 elements have
A
more isotopes
B
more valence electrons
C
more atoms in the ground state
D
fewer valence electrons
19) An alkali metal has one valence electron, while an alkaline earth metal has
A
three
B
two
C
four
D
none
20) In the periodic table,
A
both the rows and columns are the groups
B
both the rows and the columns are the periods
C
the rows are the groups and the columns are the periods
D
the rows are the periods and the columns are the groups
*select an answer for all questions
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