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Periodic Table Flashcards | StudBud
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Periodic Table
Periodic Table
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1
What is the total number of valence electrons in a calcium atom in the ground state?
20
2
8
18
2
A sample of an element is malleable and can conduct electricity. The element could be
He
S
H
Sn
3
An atom of which element has the greatest electronegativity?
sulfur
chlorine
phosphorus
silicon
4
Which ionic compound dissolves in water to form a colored solution?
Cu(NO3)2
Ca(NO3)2
Al(NO3)3
KNO3
5
Which gaseous element has the greatest density at STP?
N2
O2
F2
Cl2
6
Which group 14 element is a metalloid?
tin
silicon
carbon
lead
7
Which element has the highest melting point?
hafnium
tantalum
osmium
rhenium
8
Which element is a noble gas?
chlorine
krypton
antimony
maganese
9
All the atoms of the element in period 2 have the same number of
protons
shells
valence electrons
neutrons
10
An atom of which element has the largest atomic radius?
Zn
Si
Mg
Fe
11
Which element is most chemically similar to chlorine?
F
Ar
Fr
S
12
Which element has chemical properties that are most similar to the chemical properties of Na?
calcium
beryllium
magnesium
lithium
13
Which salt contains an ion that forms a colored solution?
Al(NO3)3
Ca(NO3)2
Ni(NO3)3
Mg(NO3)2
14
The elements on the periodic table are arranged in order of increasing
atomic mass
molar mass
oxidation number
atomic number
15
Which element is an alkali metal?
zinc
hydrogen
sodium
calcium
16
An ion of which element is smaller than its atom?
F
Cl
Na
O
17
The elements located in the lower left corner of the periodic table are classified as
nonmetals
noble gases
metalloids
metals
18
Which group is known as the halogens?
1
18
17
2
19
Which element is malleable and ductile?
Ge
S
Si
Au
20
The elements in group 2 are classified as
lithum
metals
metalloids
magnesium
21
What is the total number of valence electrons in an atom of sulfur in the ground state?
3
6
4
8
22
Which pair of symbols represents a metalloid and a noble gas?
As and Ar
Si and Bi
Ne and Xe
Ge and Te
23
Which element is classified as a nonmetal?
Cl
Be
Al
Si
24
Which group 14 element is classified as a metal?
carbon
germanium
tin
silicon
25
Element X is a solid that is brittle and has 6 valence e. In which group can it be found?
16
15
1
2
26
Which element has chemical properties that are most similar to the chemical properties of Na?
K
Se
Mg
Cl
27
The element in period 4 and group 1 of the periodic table would be classified as
metal
noble gas
nonmetal
metalloid
28
An ion of which element has a larger radius than an atom of the same element?
aluminum
chlorine
magnesium
sodium
29
Which element is an active nonmetal?
zinc
chromium
neon
oxygen
30
Which list of elements consists of a metal, a metalloid, and a nonmetal?
Cr, Mo, W
Sn, Si, C
Li, Na, Rb
O, S, Te
31
What is the total number of valence electrons in an atom of germanium in the ground state?
8
14
4
2
