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Chemistry Periodic Trends REVIEW 02 2024-25 Flashcards | StudBud
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Chemistry Periodic Trends REVIEW 02 2024-25
Chemistry Periodic Trends REVIEW 02 2024-25
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Another Trends Review
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1
Moving across a period
shielding
__________ while
effective nuclear charge
___________.
decreases / remians constant
remains constant / increases
decreases / increases
increases / remains constant
2
What is the configuration of Al
+3
?
1s22s22p63s23p4
1s22s22p63p4
1s22s22p3
1s22s22p6
3
Which TREND is this?
effective nuclear charge
shielding
4
This element makes up 20% of the air we breathe. It ends s
2
p
4
.
O
N
F
S
5
A very strong light metal which ends d
2
. It is used in sports equipment like tennis racquets.
Mg
Ca
Ti
Sc
6
Why does the element Mg take a charge of +2 as an ion?
because it gains two core electrons
because it loses two valence electrons
because it loses two core electrons
because it gains two valence electrons
7
I have 8 valence electrons and I am in lots of bright lights. I am...
He
Ne
Cl
F
8
As you move across a period of the PT mass ______ while radius______
decreases / increases
decreases / decreases
increases / increases
increases / decreases
9
A soft metal that melts in your hands and ends p
1
.
Ga
Na
Ge
Si
10
As you move across a period of the PT ionization energy and electronegativity both .....
decrease
increase
11
Which TREND is this?
ionization energy or electronegativity
atomic radius
ionization energy
electronegativity
12
Moving down a group
shielding
__________ while
effective nuclear charge
___________.
decreases / remians constant
remains constant / increases
decreases / increases
increases / remains constant
13
FLUORINE is a more reactive non-metal than PHOSPHORUS.
False
True
14
Which TREND is this?
reactivity or activity
ionic radius
15
As you move down a group of the PT mass ______ while radius______
decreases / decreases
decreases / increases
increases / decreases
increases / increases
16
So sulfur attains a charge of _____ as an ion.
+2
-2
17
Which one is not like the others? Or which one is not isoelectronic with the others?
N-3
O-1
Ne
Na+1
18
Which TREND is this?
electronegativity
atomic radius
metallic character
ionization energy
19
Who has a larger atomic radius?
Al
O
20
I am malleable and lustrous and I conduct electricity. I am a...
non-metal
metalloid
metal
21
HELIUM is the most reactive non-metal, and FRANCIUM is the most reactive metal on the periodic table.
False
True
22
Elements which are in the same ______ tend to have similar properties.
family
group
period
group or family
23
As you move down a group of the PT ionization energy and electronegativity both .....
increase
decrease
24
In an isoelectronic series of ions who has the smallest radius?
the ion with the greatest number of protons
the ion with the lowest number of protons
25
The opposite of a conductor is
an insulator
a insinuator
insinister
26
My electrons fall slowly after being excited so I can glow. I am in the 3rd period and I have 5 valence electrons. I am
N
O
P
S
27
Who has a larger IONIC radius?
Al+3
O-2
28
P, S, Cl, or Ar. Who is the most reactive nonmetal in this list?
Cl
P
S
Ar
29
My sublevels are full and I don't lose or gain electrons well. I have a small radius. I am...
an alkali metal
a halogen
a transition metal
a noble gas
30
What is oxygen's full configuration?
1s22s22p4
1s22s2
1s22s22p6
1s22s22p63p4
31
Which TREND is this?
ionic radius
reactivity or activity
32
Which TREND is this?
effective nuclear charge
shielding
33
I am non-malleable but I am lustrous and I do conduct electricity. I am a...
non-metal
metal
metalloid
34
I am non-malleable and non-lustrous and I do not conduct electricity. I am a...
non-metal
metalloid
metal
35
LITHIUM is a more reactive metal than CESIUM.
False
True
36
Rank these in order of increasing reactivity: Be, Mg, Ca, Sr
Sr, Ca, Mg, Be
Be, Mg, Ca, Sr
37
A dangerous transition metal that used to be used in dental fillings. It ends d
10
.
Hg
Ni
Pb
Mn
38
Which one is a metalloid?
Se
Sn
Si
S
39
______ electrons shield ______ electrons from the pull of the nucleus.
valence / core
core / valence
40
Rank these in order of increasing reactivity: F, Cl, Br, I
F, Cl, Br, I
I, Br, Cl, F
41
Calcium as an ion has a charge of _____, while Nitrogen ion has a charge of _____.
-3 / +2
+2 / -3
-2 / +3
+3 / -2
42
Which TREND is this?
atomic radius or metallic character
atomic radius
metallic character
electronegativity
43
The only element that hogs electrons better than OXYGEN is...
He
F
Cl
Ne
44
Sulfur must _______ _____ electrons to become like it's nearest noble gas.
lose 2
gain 6
gain 2
lose 6
45
What is the configuration of O
-2
?
1s22s22p6
1s22s22p2
1s22s22p5
1s22s22p4
46
What is Aluminum's full electron configuration?
1s22s22p63p1
1s22s22p63s23p6
1s22s22p1
1s22s22p63s23p1
47
Boron has ____ valence electrons while Fluorine has _____.
1 / 5
5 / 9
4 / 6
3 / 7
