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Periodic Table and Probable Ions Flashcards | StudBud
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Periodic Table and Probable Ions
Periodic Table and Probable Ions
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StudBud Administration
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Periodicity with a little prior knowledge mixed in.
Flashcards
16 cards
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Practice quiz
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Questions
16
Answers
1
Which section/group has elements with high melting points?
transition metals
halogens
alkaline-earth metals
alkali metal
2
Who is known as the "Father of the Periodic Table?"
Vadar
Moseley
Mendel
Mendeleev
3
Arsenic is in what period?
4
15
3
5
4
Which element (X, Y, or Z) has two valence electrons
Y
Z
X
5
Using proper sig figs, what is 2.5 X 3 ?
7
8
7.5
7.0
6
Which element would have a +2 charge of its ion?
Iodine
Lithium
Calcium
Oxygen
7
Which element has the biggest atomic radius?
Se
Cl
s
Br
8
How many valence electrons do most noble gases have?
8
1
7
2
9
How do you explain the decreases in atomic radius from sodium to argon?
Argon is actually larger
Increase in effective nuclear charge
Increase in electrons
Increase in energy levels
10
What element would likely have a -2 ion?
Br
Ga
Se
Mg
11
How many valence electrons would beryllium have if it lost 2 electrons?
4
2
3
0
12
What type of element is germanium?
other metal
nonmetal
transition metal
metalloid
13
Which element has the greatest ionization energy?
Kr
As
Br
Se
14
What is the likely charge of an ion of chlorine?
-1
-2
+2
+1
15
The current periodic table is in order of _________.
alphabetical order
number of neutrons
atomic number
atomic weight
16
Which type of element can be very dangerous when placed in water?
halogen
alkaline-earth metal
alkali metal
rare-earth element
