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Regents Chapter 5 Periodic Table and Trends Flashcards | StudBud
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Regents Chapter 5 Periodic Table and Trends
Regents Chapter 5 Periodic Table and Trends
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#electronegativity#ionizationenergy#atomicradius
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Questions
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Answers
1
Which element in period 3 has the least tendency to lose an electron ?
sodium
aluminum
phosphorous
argon
2
More than two-thirds of the elements are classified as
noble gases
nonmetals
metals
metalloids
3
Which element has
more than one positive oxidation state?
iron
cadmium
silver
zinc
4
Elements of Group 15 all have the same number of ....
protons in the nucleus
total umber of electrons surrounding the nucleus
neutrons in the nucleus
electrons in the valence shell
5
When Fluorine reacts with a group 1 element, it becomes an ion with a charge of
+1
-2
+2
-1
6
All the atoms have valence electrons in the second energy level.......
The Alkaline earth metals
Group 2
The alkali metals
Period 2
7
Which is the
MOST ACTIVE
nonmetal in the periodic table of elements ?
F
Fr
Na
Cl
8
Which symbol represents an alkaline earth metal?
Ne
Mg
Ag
Na
9
In the modern periodic table, the elements are arranged in order of increasing
atomic mass
atomic radius
atomic charge
atomic number
10
Which group contains a metalloid?
group 13
group 18
group 1
group 7
11
Which halogen is a liquid at STP ?
Cl
F
Br
I
12
Which group 18 element can
BE FORCED
to form a compound?
Kr
Ar
He
Ne
13
Beryllium is classified as
transition metal
noble gas
alkali metal
alkaline earth metal
14
Which element in Period 3 has the
greatest tendency
to gain electrons?
Ar
Si
Na
Cl
15
Which list is arranged in order of increasing atomic radii?
Sc,Ti,V,Cr
Sr,Ca,Mg,Be
Li,Be,B,C
F,Cl,Br,I
16
Malleable, great conductor of heat & electricity, this element could have which atomic number?
29
35
18
16
17
How many halogens are in period 3 ?
4
2
1
3
18
The highest ionization energies in any period are found in Group
1
18
2
17
19
Which element in Group 17 is least likely to lose an electron ?
bromine
fluorine
iodine
chlorine
20
As the elements of Group 16 are considered from
TOP to BOTTOM
, the atomic radii ...
decrease and the ionization energies decrease
decrease and the ionization energies increase
increase and the ionization energies decrease
increase and the ionization energies increase
21
The most active metal in group 2 is
Mg
Be
Ra
Sr
22
Which element in period 2 has the greatest tendency to form a negative ion?
carbon
lithium
fluorine
neon
23
Which of the following atoms has the smallest atomic radius ?
F
C
Be
Li
24
Which group contains an element that is a liquid at STP?
10
9
11
12
25
Which period has 3 diatomic elements?
period 2
period 3
period 1
period 4
