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Periodic Table Trends Flashcards | StudBud
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Periodic Table Trends
Periodic Table Trends
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1
What happens to electronegativity moving down a group?
It decreases.
It stays the same.
It increases.
2
Which pair has the greatest difference in electronegativity?
Cs and I
Cs and F
Cs and Cl
Cs and Br
3
He arranged the periodic table in order of increasing atomic number.
Mendeleev
Rutherford
Seaborg
Moseley
4
Which element has the most protons?
F
O
N
C
5
Which atom has the largest atomic radius?
K
Br
F
Cl
6
Which scientist added the lanthanide and actinide series?
Mendeleev
Moseley
Seaborg
Dalton
7
Which element has greater shielding?
Sb
Be
Ca
Rn
8
Which element has the least shielding?
Be
Pb
Nb
Cl
9
An atom of an element has 19 electrons. Which group does it belong to?
17
2
1
15
10
Place these atoms in order of increasing ionization energy (C,N,Si)
Si, N, C
C, N, Si
N, C, Si
Si, C, N
11
Which property generally decreases across period 3?
Electronegativity
Atomic radius
First ionization energy
Atomic number
12
According to __________________ , chemical and physical properties are a function of atomic number.
Law of Conservation of Mass
Newton's Laws
Jimmy Neutron
Periodic Law
13
He arranged the periodic table in order of atomic mass.
Mendeleev
Seaborg
Moseley
Dalton
14
Which of the following properties best explains electronegativity increasing across a period?
Decreased electron repulsion.
Decreased electron shielding.
Decreased atomic radius.
15
How many elements are in period 4?
36
3
10
18
16
Which element has the lowest electronegativity value?
H
K
F
I
17
Which atom has the smallest ionic radius?
Na+
Na
Br-
Te2-
18
Which element has 9 electrons?
F
Ne
none of the above
Mg2+
19
What happens to atomic radius moving across a period from left to right?
It decreases.
It stays the same.
It increases.
20
What happens to atomic radius moving down a group?
It increases.
It stays the same.
It decreases.
