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Periodic Trends Flashcards | StudBud
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Periodic Trends
Periodic Trends
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Trends and the organization of the periodic table.
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Questions
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Answers
1
Halogens are:
the most unreactive nonmetals and have 8 valence electrons
the most reactive nonmetals and have 7 valence electrons
the most reactive nonmetals and have 2 valence electrons
transition metals
2
Which two elements would produce ions smaller than their neutral atoms?
N, C
Li, Cs
Cl, F
Sn, B
3
MOST of the elements located within the s orbital block are:
unreactive metals
unreactive nonmetals
reactive nonmetals
reactive metals
4
The group that is shaded red represents:
the halogens
the noble hases
the alkali metals
the alkaline earth metals
5
Generally as you move form left to right on the periodic table:
none # of valence e-, ionization energy decreases
# of valence e- increases, atomic radii increases
# of valence e- increases, electronegativity increases
# of valence e- decreases,electronegativity increases
6
The group shaded orange represents:
the noble gases
the alkali metals
the halogens
the alkaline earth metals
7
Using the periodic table, which of the following metals is the most reactive?
Magnesium (Mg)
Lithium (Li)
Cesium (Cs)
Sodium (Na)
8
The alkaline earth metals have _ valence electrons.
1
6
2
8
9
Nonmetals are located in the ___ block of the periodic table.
p
f
d
s
10
This element has just 4 electrons in the 3p orbital and is part of:
Group 2
Group 3
Group 16
Group 17
11
____________ refers to the energy required to remove an electron.
atomic radius
none of these
Ionization energy
electronegativity
12
Which two elements would produce ions slightly larger than their neutral atoms?
C, N
Cu, Cl
Mg, Be
Sn, Cu
13
Watch the video provided. What does this tell you about the properties of alkali metals
They are very reactive and have one valence electron
They are very nonreactive and have 7 valence electrons
They are very nonreactive and have one valence electron
They are very reactive and have 8 valence electrons
14
Why are the noble gases unreactive?
valence electron shell is nearly empty
valence electron shell is full; contains 7 electrons
valence electron shell is full; contains 8 electrons
none of these
15
The dark blue period represent the:
halogens
alkali metals
metalloids
transition metals
16
Using the periodic table, which element has the highest ionization energy?
Mg
Li
K
Na
17
Which of the following elements will have similar chemical properties of Iodine?
Chlorine (Cl)
Boron (B)
carbon (C)
Sodium (Na)
18
Metals ae mostly found on the ___ side of the periodic table.
left side
right side
19
Atomic radii ______ across a period on the Periodic Table
increases
decreases
none of these
stays the same
20
Chlorine has _ valence electrons and is likely to ___ during chemical bonding.
7, lose 1
7, lose 2
7, gain 1
7, gain 2
21
The group shaded in purple represents:
the alkaline earth metals
the halogens
the noble gases
the alkali metals
22
Electronegativity refers to:
distance between the nucleus and the outer electron shell
none of these
element's ability to attract bonded electrons
energy required to remove electrons
23
This element has 1 electron in the 3s orbital and is part of:
Group 7
Group 1
Group 18
Group 17
24
As you move from left to right across a period, ionization energy _____.
increases
decreases
stays the same
25
Which of the following elements will have similar chemical properties of magnesium (Mg)?
Nitrogen (N)
Copper (Cu)
Titanium (Ti)
Calcium (Ca)
