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Periodic Table
Test Description: Review Atoms, Elements, and the Periodic Table
Instructions: Answer all questions to get your test result.
1) Which best describes a row of elements in the periodic table?
A
group
B
family
C
period
D
column
2) Which best describes the purpose for the bold staircase line on the right side of the periodic table?
A
to separate transition metals from alkaline earth metals
B
to separate lanthanides from actinides
C
to separate metals from nonmetals
D
to separate gases from liquids
3) Which element has similar characteristics to lithium (Li) and potassium (K)?
A
sodium (Na)
B
helium (He)
C
beryllium (Be)
D
magnesium (Mg)
4) Which best describes elements that are shiny, malleable, ductile, and good conductors of heat and electricity?
A
metals
B
halogens
C
nonmetals
D
metalloids
5) Which element is in the same family as chlorine (Cl) and fluorine (F)?
A
hydrogen (H)
B
bromine (Br)
C
lithium (Li)
D
oxygen (O)
6) Which element in Period 3 is known to be a highly reactive metal?
A
sulfur (S)
B
scandium (Sc)
C
argon (Ar)
D
sodium (Na)
7) Which property would be most useful in placing a newly discovered element in Group 18 (VIIIA) on the periodic table?
A
malleability
B
nonreactivity
C
reactivity
D
conductivity
8) Which is a property of metalloids?
A
the ability to be a liquid at room temperature
B
the ability to be hammered into sheets
C
the ability to conduct electricity under certain conditions
D
the ability to be pulled into long wires
9) Which best describes the reactivity of metals when moving from left to right on the periodic table?
A
They become less reactive.
B
The reactivity remains the same.
C
The reactivity decreases, then increases.
D
They become more reactive.
10) Where on the periodic table is a metal element most likely found?
A
left side
B
middle
C
bottom
D
right side
11) A student finds that an unknown element readily reacts with alkali metals. Which is the best conclusion about the unknown element?
A
It is in Group 17 (VIIA).
B
It is in Group 16 (VIA).
C
It is an alkaline earth metal.
D
It is a noble gas.
12) Which of the following elements is the most reactive?
A
strontium (Sr)
B
magnesium (Mg)
C
beryllium (Be)
D
calcium (Ca)
13) Which element would best be described as a brittle, nonconductive solid?
A
calcium (Ca)
B
sodium (Na)
C
sulfur (S)
D
thorium (Th)
14) Sodium (Na) reacts with sulfur (S) to form a compound in the ratio of two sodium atoms to one sulfur atom. Element X also reacts with sodium in the ratio of two sodium atoms to one element X atom. Which is most likely the identity of element X?
A
argon (Ar)
B
chlorine (Cl)
C
phosphorus (P)
D
oxygen (O)
15) Which of these elements is most reactive?
A
magnesium (Mg)
B
neon (Ne)
C
sodium (Na)
D
carbon (C)
*select an answer for all questions
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