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Atomic Structure and Periodic Table Flashcards | StudBud
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Atomic Structure and Periodic Table
Who developed the Atomic Theory?
Who gave the atom its name?
Atomic Structure and Periodic Table
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1
Who gave the atom its name?
Bohr
Democritus
Thomson
Rutherford
2
Who developed the Atomic Theory?
Thomson
Dalton
Bohr
Rutherford
3
A vertical column on the periodic table is called a...
period
family
chemical column
table
4
Most of the mass of an atom is found in what part?
electrons
nucleus
electron cloud
empty space
5
How many neutrons are in Chlorine?
17
35
453
18
6
How many electrons does potassium have?
19
39
84
58
7
Which particles in an atom carry a negative charge?
electrons
protons
neutrons
negatrons
8
Which of these elements is in the SAME family/group as Iodine (I)?
Fluorine (Fl)
Potassium (K)
Lead (Pb)
Xenon (Xe)
9
What does the number 20 tell you?
atomic number
all of these
the number of protons
number of electrons
10
Who is responsible for naming "electrons"?
Dalton
Democritus
Thomson
Rutherford
11
What is this an atom of?
Iron
Cadmium
Scandium
Titanium
12
How many neutrons does lead (Pb) have?
289
125
82
7
13
Whose model of the atom was the "Plum Pudding" model?
Bohr
Schrodinger & Heisenberg
Thomson
Dalton
14
How many protons does Iron have?
26
56
30
82
15
What element has an atomic number of 94?
Neptunium
Plutonium
Uranium
Americium
16
Most of the elements on the periodic table are...
plasma
gases
solids
liquids
17
Which particles in an atom carry a neutral charge?
protons
neutrons
croutons
electrons
18
What is the symbol for Copper?
Co
Cr
Cp
Cu
19
What is the symbol for Tungsten?
W
Tn
Wf
Tu
20
What is this an atom of?
Zirconium
Argon
Krypton
Titanium
21
Whose model of the atom is this:
Dalton
Democritus
Bohr
Thomson
22
A horizontal row of elements on the periodic table is called a :
period
family
table
group
23
Present in the least amount on the periodic table
metalloids
nonmetals
metals
24
How many protons are in an atom of Gold?
79
31
118
197
25
These are present in the greatest numbers on the periodic table
nonmetals
metalloids
metals
26
According to Rutherford, most of an atom is...
empty space
the nucleus
protons
solid positive matter
27
What does the number 40.078 tell you?
number of protons
all of these
atomic mass
number of electrons
28
As you go from
left to right
on the periodic table, what happens to the atomic number and mass?
increases
decreases
stays the same
is totally random
29
If the element is neutral (0 charge), how many electrons does it have?
28
10
19
9
30
What is the symbol for Mercury?
Mc
Me
HG
Hg
31
Which two numbers are always equal in an atom?
protons and neutrons
protons and electrons
electrons and neutrons
atomic mass and atomic number
32
Who said that electrons move around the nucleus in an "electron cloud"?
Bohr
Dalton
Thomson
Schrodinger & Heisenberg
33
What number on the periodic table is also the number of protons?
atomic mass
atomic element
electron shells
atomic number
34
Which particles in an atom carry a positive charge?
protons
neutrons
electrons
neurons
35
The nucleus of an atom is made of...
neutrons
protons
electrons
protons and neutrons
36
What is this an atom of?
Iron
Indium
Zinc
Barium
37
If you subtract the atomic number from the atomic mass, what do you get?
number of electrons
number of protons
number of neutrons
number of orbitals
38
What element has 82 electrons?
Barium
Lead
Xenon
Lithium
39
Which of these elements is in the
SAME period
as sodium (Na)?
Calcium (Ca)
Alumimun (Al)
Lithium (Li)
Silver (Ag)
40
How many neutrons does this element have?
9
28
10
19
