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Periodic Table Review
Periodic Table Review
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review questions for using the periodic table #periodictable #9thgrade #physicalscience
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Answers
1
Reactivity of metals increases when you move down in a group of the periodic table.
true
false
2
What group number are Alkaline Earth metals?
1
4
2
3
3
Elements on the periodic table are listed in order by
atomic number
isotope number
atomic mass
mass number
4
How are sodium (Na) and potassium (K) different from one another?
different valence electrons
different masses
different energy levels
different protons
5
How many valence electrons in aluminum (Al)?
3
4
13
26
6
What type of element is aluminum (Al)?
metal
metalloid
nonmetal
7
Metals
don't conduct heat, are malleable, are insulators
conduct electricity, are gases, liquids and solids
conduct electricity, are ductile, have luster, most solids
8
Noble gases are
the less reactive elements of the periodic table
the most reactive elements of the periodic table
9
Francium is the most reactive metal of the Periodic Table
false
true
10
Which element is in the same group as fluorine (F)?
chlorine (Cl)
nitrogen (N)
beryllium (Be)
11
Noble gases have _____________________ valence electrons.
a half-complete set
very few
a full set
an almost full set
12
Which element is a halogen?
barium (Ba)
uranium (U)
iodine (I)
13
An anion is a
non metal atom with a negative charge
non metal atom with a positive charge
metal atom with a negative charge
metal atom with a positive charge
14
How many energy levels in helium (He)?
3
too many to count
1
2
15
How many energy levels in rubidium (Rb)?
5
3
4
too many to count
16
Which element is a transition metal?
uranium (U)
iodine (I)
barium (Ba)
17
Valence electrons are located in
the electron cloud of the atom
The innermost layer of the atom
the outermost layer of the atom
inside of the nucelus
18
What type of element is vanadium (V)?
metalloid
nonmetal
metal
19
Phosphorus (P) is most like which of the following elements?
sulfur (S)
silicon (Si)
sodium (Na)
nitrogen (N)
20
Which element is an alkali metal?
neon (Ne)
barium (Ba)
potassium (K)
21
Fluorine is the most reactive non metal of the Periodic Table
false
true
22
Reactivity of non metals dereases when you move down in a group of the periodic table.
false
true
23
Which element is in the same period as fluorine (F)?
beryllium (Be)
chlorine (Cl)
bromine (Br)
24
Elements showing both, metallic and non metallic properties are called
semimetals
metalloids
poor metals
fake metals
25
How many valence electrons in germanium (Ge)?
4
32
2
14
26
The number of energy levels increases as you go down the periodic table.
true
false
27
WHY
are elements in the same group similar to one another?
same energy levels
same protons
same color
same valence electrons
28
How are sodium (Na) and potassium (K) similar to one another?
same energy levels
same valence electrons
same protons
similar reactivity
29
How many energy levels in nobelium (No)?
7
too many to count
9
5
30
What type of element is neon (Ne)?
metalloid
metal
nonmetal
31
Elements in the same period of the Periodic Table have
different number of energy levels
the same number of energy levels
similar chemical properties
the same number of valence electrons
32
The number of valence electrons decreases as you go across the table from left to right.
false
true
33
A cation is
a positive ion
a negative ion
34
What type of element would atomic number 120 be?
metal
metalloid
nonmetal
35
What group number are Halogens?
18
15
17
16
36
How many energy levels would atomic number 120 have?
8
9
too many to count
7
37
How many valence electrons in tellurium (Te)?
16
6
52
5
38
Metals
lose electrons and form negative ions
lose electrons and form positive ions
gain electrons and form negative ions
gain electrons and form positive ions
39
A group of elements would be represented by which letter?
A
B
40
Which element in the only nonmetal in group 14?
carbon (C)
tin (Sn)
silicon (Si)
41
What reactivity would atomic number 120 have?
low reactivity
very reactive
unreactive
42
A period of elements would be represented by which letter?
A
B
43
What element would atomic number 120 be most similar to?
francium (Fr)
radium (Ra)
lawrencium (Lr)
44
Calcium (Ca) is most like which of the following elements?
magnesium (Mg)
potassium (K)
scandium (Sc)
nickel (Ni)
45
Which element is the only metalloid in group 17?
astatine (At)
fluorine (F)
bromine (Br)
