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Elements of the Periodic Table Flashcards | StudBud
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Elements of the Periodic Table
Elements of the Periodic Table
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Calculate the number of protons, neutrons and electrons. Periodic Table review
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Questions
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Answers
1
Which element has no neutrons?
hydrogen
lithium
helium
boron
2
The maximum number of electron shells an element can have is ____.
18
7
10
9
3
The horizontal rows found on the periodic table ______.
families
periods
4
Which element has the symbol Cu?
cobalt
carbon
copper
calcium
5
What is the greatest number of electrons that can be in the first electron shell?
2
8
1
16
6
Which element has 16 protons?
magnesium
sodium
neon
sulfur
7
Which subatomic particle has a positive charge?
electrons
protons
neutrons
leptons
8
How many electrons would this element have?
35
70
80
45
9
Elements that are in the same period have the same number of ______.
protons
electrons
electron shells
neutrons
10
Which element is most like carbon?
silicon
lithium
boron
nitrogen
11
What is the atomic mass of the atom seen?
5
6
1
11
12
Where on the periodic table are copper, silver and gold found?
left hand side
center
right hand side
on the top
13
How many protons does nitrogen have?
7
9
10
8
14
Electrons in the outer most shell are called valence electrons.
False
True
15
Metals lose electrons while nonmetals gain electrons.
True
False
16
The nucleus of an atom conists of
neutrons
protons
protons and neutrons
electrons
17
Which element has the symbol Mn?
magnesium
bromine
molybdenum
manganese
18
The atomic mass is always greater than or equal to the atomic number of an element.
False
True
19
There are _____ elements on the periodic table.
109
18
92
7
20
Elements found on the right hand side of the table are _______.
metals
nonmetals
explosive
semiconductors
21
Neutrons have a negative charge.
True
False
22
Which element is in the 4th period and 8th family?
iron
potassium
chlorine
iodine
23
What is the atomic number of nickel?
28
24
124
56
24
Which subatomic particle travels around the nucleus?
neutrons
electrons
quarks
protons
25
Which element is seen in this model?
krypton
oxygen
chlorine
bromine
26
Silver, copper and gold are all ____.
semiconductors
nonmetals
isotopes
metals
27
Fluorine and neon both have ____ neutrons.
11
10
9
20
28
Protons and neutrons together equal the _______.
atomic mass
electrons
period
atomic number
29
_____ are located on the left hand side of the periodic table.
nonmetals
metals
metalloids
30
Which subatomic particle has no charge?
electrons
protons
neutrons
31
The formula for finding the number of neutrons is _____?
Atomic Number - Atomic Mass
Atomic Mass - Atomic Number
Atomic Number + Atomic Mass
Protons - Electrons
32
Which two subatomic particles are always equal in number?
electrons and neutrons
electrons and protons
protons and neutrons
33
Potassium has ____ electrons.
19
8
39
20
34
The atomic numbers increase as you read from right to left across each period.
True
False
35
Most metals are _______.
shiny
all the above
solids
good conductors
36
What is the atomic mass of this element?
80
70
35
45
37
Silicon has ____ electrons in its outer shell.
2
14
8
4
38
What is the atomic number of aluminum?
18
13
27
12
39
No two elements can have the same symbol.
False
True
40
Which element is shown in the model?
carbon
nickel
boron
fluorine
41
Electrons have a ______ charge.
positive
negative
neutral
42
Nobel gases do not react with other elements.
False
True
43
How many neutrons does lithium have?
7
4
3
6.9
44
An isotope of an element has a different number of ________.
electrons
neutrons
protons
atomic number
45
Electrons are about 2,000 times smaller than a neutron or proton.
False
True
46
_____ are the vertical columns found on the periodic table.
periods
families
47
Elements that have characteristics of both metals and nonmetals are called ______.
nonmetals
conductors
metalloids
48
Silicon is an example of a metal.
True
False
49
Which family has a filled outer energy level?
metalliods
transitional metals
halogens
nobel gases
50
Helium and neon are in the same family.
False
True
