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Regents Chapter 3 Atomic Structure Flashcards | StudBud
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Regents Chapter 3 Atomic Structure
Regents Chapter 3 Atomic Structure
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A review of atomic history and structure for high school science #Atoms # History of atom
Flashcards
26 cards
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Practice quiz
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Host live
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Questions
26
Answers
1
How many moles are in 612 g of Argon?
0.053 mol
1425.9 mol
15.32 mol
23868 mol
2
Where is the atomic mass located on your periodic table?
Top left corner
Top right corner
Below the symbol
On top of the symbol
3
What are isotopes
Two atoms with different number of protons
Two different types of atoms
Two atoms with different number of neutrons
Two atoms with different number of electrons
4
Isotopes vary in their number of...
Neutrons
Electrons
All Particles
Protons
5
How many moles are in 92g BCl?
1
2
46
92
6
How many isotopes of H exist ?
Eight
Three
Four
Two
7
The number of protons and neutrons in the nucleus
atomic mass
isotope
nuclear charge
atomic number
8
Created the "Atomic Theory"
Thompson
Dalton
Rutherford
Bohr
9
What is the nuclear charge on a neutral atom that has 47 electrons?
+ 40
+47
-40
-47
10
Discovered the electron
Dalton
Thompson
Rutherford
Bohr
11
the molecular mass is
Mass of a molecule or compound 02 C02
Mass of a molecule
Mass of a compound
Mass of an atom
12
Which of the following has the MOST moles?
23 g C
100 grams of Au
2.5 grams of H2
44.8 L of any gas at STP
13
Which atom has an atomic number of 10?
Ne
Fe
He
Ce
14
What mass does a proton have
1
+
0
-
15
What is the gram formula mass of water?
8amu
10 amu
2 amu
18 amu
16
What is the gram formula mass of LI₂SO₄
110g
55g
54g
206g
17
Which atom has 17 protons?
K
Si
F
Cl
18
He discovered that the atom was mostly empty space during his famous, "Gold Foil" experiment.
Bohr
Thompson
Rutherford
Dalton
19
Who gave us this Planetary model of the atom?
Rutherford
Thompson
Dalton
Bohr
20
Identify what is represented in the image
isotrope
allotrope
21
Basic unit of structure for all matter
ions
atoms
moles
molecules
22
6.02 X 10
23
mole
atomic mass
molecules
atomic number
23
Which answer correctly pairs up all subatomic particles with the correct charges?
P= +, N= + , E= 0
P= +, N= + , E= -
P= -, N= + , E= 0
P= +, N= 0 , E= -
24
Which Atomic Model is shown?
planetary model
Bohr's model
Dalton's model
plum pudding model
25
Where is the atomic number located on your periodic table ?
Bottom right corner
Bottom left corner
On top of the symbol
Bottom of the symbol
26
An atom has 20 protons and and 20 electrons, what is its atomic mass?
20 amu
30 amu
50 amu
40 amu
