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