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