Name:
uAtsi K
i
/
Chemistry R Unit 4 Practice Test
'! i)
In the modern Periodic Table, the elements are arranged according to
3) atomic mass
1 ) oxidation number
2) mass number
Q2)
C2?3)
@
atomic number
The chemical properties of elements are periodic functions of tlie#
l) oxidationstates
2) mass numbers
Wlio was credited with creating the first Periodic Table that organized the elements according to atomic
rnass?
,,2 ,,
6
3) Henry Moseley
4) Ernest Rutherford
John Dalton
Dmitri Mendeleev
'Whichofthefollowingisan?eemthmetal? I l
?'-2), Mg
l) Pb
5)
3) Li
4) Zn
Which of the fouowing is the electron configuration of a transition? element?
4) z-s-s-zra.':
3)a2-2}
activity ofthe 4 Groups 1 and 2agenerany icregses with .
6)
:n;7:
1) decreasedmassa 'a-
-'m 7)
4
1 ) s2p2
'a
k-P?llr(A
2i
sp
Which element is in Group?'and Period 7 of the Periodic Table?
l ) radon
2) magnesium
li,/
3) s2p8
d
?A?f' s2p4
!,,
manganese
radium
N'
On the Periodic Table, an element classified as a semirnetal-(me$qoid) cmn be found in
2) 2, 13, and 17
?
i
23) Period4,Groupl5
'S
a
%@,
(-Period 6, Group 15
IJ? ',,,-
4) 1, 2, and 14
Atoms of elements i a group on the Periodic Table have similar chemical properties. This similarity is
most close§ related to the atorns'
1) nuinberofpricipalenergylevels
2) atomic numbers
12)
?
]?
?r'l
qllfC! s) G
// SS
)} . Period 2, Group 14
Period 3, Group 16
'?ll)
rll
%-i
%?
Which represents the correct electron configuration of the outermost pricipal
palenergy
eneTg3level
.icvetof
oraaGroup 18
---?-
3 9)
/
4) decreased nuclear cbarge
2) increased ionization energy
element in the ground state'
"18)
rjnluA (;k C5*j'OC/P=
increased atomic radius
3) atomicmasses
7
1,'4)' antm'8:er' of valence electrons
Wl'fflcli two elements have the most similar chemical properties? . ' . , ' . ;-
1) -sodiumanffi-p-otassiuin- '- - a'
2) al?um arid barium
3) nickel and phosphorus
4) chlorine and srilfur
/
'i variai
,? 19)
In wbich categoi7 of elements in the Periodic Table do all of the atoms rove valence electrons in.the
seconil priiic.ffiJ'eiiergy?level? r 7 i,e -i , '? .
' -the alkali metals family
4-) - Group 2
- J Period 2
43,@re
,,/20) AstheelementsinthegroundstateinPerioda3..'mreconsideredinorderoficreasingatornicnrimber,the
) 'S'eu-,?.e.b::: C :!! Q'x" :eaa-<4'y,,.-H. (
number of electrons m the 2p sublevel '
?
-mffl
j
3?5-?1 remains the same ' ? '
2) decreases
l) icreases
f' 21) Comparedtotheatomicradiusofasodiumatorn,theatornicradiusofa
atom is smauer. The
r radius is pr?ily a result o??'-fthe-magnesium atom %vig 'J ';, - --= ??'f:'j - . . - ?-? '
o':alargernuclearcharge rv'-':r'- :-:0?- ; - %asmanernuclear?rge
'122)
?:i
22)-' Comparedtoaneonatom,aheliumatommsa
more principal energy levels
fewer princ:al energy levels
7 (gemer number of electrons '
3
2} smauer first ionization energy
23)
(?i
,J::'=;:=.""-?
Wich atom has the smallest atomic radius? '- -, . ,a(-, "
a
1) Be
2) C
-7r"?-" "@ F (;'o
4) pi y.>0
7- 24)
4.
g.2)
Al,Si,P ,
!2,&l
ll'l
%3
!i7
C+(',.C
j
n
4) Li, Na, K
{
, ?c
1
25)
As the elements of Group 16 are considered from top to bottom on the Periodic Table, the atomic radii
:p:
l) decr5a's6andtheionizationenergiesincrease '
2) @y? and the ionization energies decrease
V
icrease and the ionization energies ffi
Th
(Jf,. increase and the ?ionizatipn energEs decrease
e
,2- 26) As the atoms of the elements from atomic number 3 to atomic number 9 are considered in sequence from
left to right on the Periodic Table, the atomic radius of each successive atom is
1) sinaner,andthenucleffi.!ess
,-- --l"a
2) smau;i, and the nuclear charge is greater -
'n6
./
3) ?h?r,'andthenuclenFcfiarge-im?e-s-s-'
jL27)
2
29)
6e-i<[
:?
' 3-)- anau<alineearthmetal
4noble gaS
4)
an alkali metal
Wmch electron configuration represents the element with the ?llest atomic radius.?? ? ?
(3)z-y F (,),
2) 2-6
O
As a sulfur atom gaig cle?Htr?.,?ons its radius
l) decreases
30)
l
The element in Period 2 with the largest atomic radius is
!,)- ahalogen
128)
I
4) .-.0rger, and the nuclear charge is greater
3),2-4.,- ?-
0?-
4) 2-s
/
'>Ac(-4(?,@3,( QIN!vaz,(?i
?
r
/li #/
rt?e
'1
'%
2) remains the same
%
3).
increases
)
M
The radius of a calc? ion is smaller than the radius of a calcium atom because the calcium ion contains
??
the same nuclear charge and
4- LLa
los4=
%
l
i
UJL-Q AA V o'-
(
.-?
l
3) more protons
5>-t'C
4) fewer protons
' 32) - ' Which part of the Periodic Table contains elements with the greatest metauic properties?
. r)-.
333)
3) upper leff
4) Iower right
lower left
J' upper right
hr
-4
At which location i the Periodic Table would the most active metallic element be found?
1) iGroup 17atthetop
2) in Group l at the top
4) in Group 17 at the bottom
il 34) Lowionizationenergiesaremostcharacteristicofatornsthatare
??l.)- metals
"1
." "
)
2) nonmetals
3)
4)
metauoids
noble gases
35) ASTP,whichsubstanceisthebe,satcori<%'i;qtorofelectricity?
?o
oxygen
% helium
M,
4
l/'!!?a
(l
4
l
/
hydro geii
4}', mercury 2
%,/