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Periodicity and Periodic Table
Periodicity and Periodic Table
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Periodic Trends and the Periodic Table #chemistry #periodicity
Flashcards
22 cards
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Questions
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Answers
1
_______ are not good conductors of heat and electricity.
solids
metals
non-metals
2
Which is a metalloid?
Sb
Sn
In
3
Which has the smallest 2nd Ionization energy?
Al
Cl
Ca
K
4
Electronegativity generally increases ________________.
down a group
left to right across a period
right to left across a period
5
Give formula for Indium oxide
InO
In2O
In2O3
In3O2
6
Which element has the smallest atomic radius? chlorine, iodine or bromine
chlorine
bromine
iodine
7
The elements in the halogen family have _____ valence electrons.
7
5
2
1
8
Which is a halogen?
Li
Ne
Be
F
9
These elements are so reactive that they react violently with air and water.
Alkali metals
Noble gases
Alkaline Earth Metals
Halogens
10
Which element has a larger atomic radius? Ca or Sr
Ca
Sr
11
This family of elements have very high electronegativities.
alkali metals
halogens
noble gases
alkaline earth metals
12
Which element has a smaller ionization energy? Be or C
C
Be
13
Fluorine, chlorine and bromine are elements in the __________ family.
noble gases
alkaline earth metals
halogens
alkali metals
14
Give the formula for potassium tungstate
K(WO4)2
KWO4
K2WO4
15
Of the following elements, which one is easiest to remove 1 electron from?
Na
Ca
K
K+1
16
This is the energy needed to remove one of the atom’s outermost electrons.
ionization energy
electron affinity
electronegativity
atomic radius
17
Groups on the Periodic Table are also known as _____________.
rows
families
periods
18
The element with atomic # 38 is most similar to element
Be
Ba
Rb
Y
19
which is the transition metal
Mg
Na
Ge
Co
20
This scientist organized the Periodic Table in order of increasing atomic number.
Newlands
Dobereiner
Moseley
Mendeleev
21
Which element is the most metallic?
In
Tl
Al
Ga
22
How many protons, neutrons, and electrons are in one ion of
118
Sn
+2
?
50p, 48e, 68n
50p, 50e, 68 n
118p, 116e, 118n
