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WorksheetsAtomic Theory Quiz Review Quizzizz
Total questions: 80
Worksheet time: 2hrs 8mins
What is the atomic mass of Neon?
10
20.18
10.18
20
What is the atomic mass of Copper?
63.546
29
29.546
92
How many electrons does a Copper atom have?
63
29
92
34
What is the atomic mass of Gold?
79
196.97
79.97
275
What is the atomic mass of Helium
4.0026
2.0026
4
1
How many neutrons does a Hydrogen atom have?
1
2
3
0
How many electrons does an Iodine atom have?
53
126
73
179
What does the topmost number (3) represent?
Mass Number
Atomic Number
Atomic Mass
Number of Neutrons
How many neutrons does an Oxygen atom have?
8
16
24
7.999
What does the bottom most number (39.098) represent?
Atomic number
Atomic mass
Number of protons
Number of electrons
Carbon has how many protons?
12
6
7
4
How many protons, neutrons, and electrons are in Oxygen?
Protons = 8; Neutrons = 16; Electrons = 8
Protons = 8; Neutrons = 8; Electrons = 8
Protons = 16; Neutrons = 8; Electrons = 16
Protons = 16; Neutrons = 24; Electrons = 16
What is at the center of every atom?
An electron
A compound
A molecule
A nucleus
The number of neutrons equals...
atomic number - mass number
Protons - neutrons
Electrons - protons
mass number - atomic number
A neutron has what charge?
Positive
Negative
It has no charge (it is neutral)
How many protons are in Sodium?
11
22
12
33
How many neutrons are in Argon?
18
40
58
22
How many protons, neutrons, and electrons are in Oxygen?
Protons = 8; Neutrons = 16; Electrons = 8
Protons = 8; Neutrons = 8; Electrons = 8
Protons = 16; Neutrons = 8; Electrons = 16
Protons = 16; Neutrons = 24; Electrons = 16
Arsenic has a mass of _______
33
79
75
47
Oxygen has a mass of...
8
16
15
6
The negatively charged particle that is found in the rings of an atom is called a(n)
electron
proton
neutron
nucleus
The neutrally charged particle (no charge) inside the nucleus is called a(n)
proton
neutron
electron
nucleus
A proton is described as
a positively charged particle in the nucleus
a positively charged particle in the rings of an atom
a neutrally charge particle in the nucleus
a negatively charge particle in the nucleus
What is the atomic number of an element?
The atomic number of an element is the number of neutrons in the nucleus of an atom.
The atomic number of an element is the number of protons in the nucleus of an atom.
The atomic number of an element is the number of electrons in the nucleus of an atom.
The atomic number of an element is the number of protons and neutrons in the nucleus of an atom.
What is the mass number of an element?
Total number of neutrons in the nucleus
Total number of protons in the nucleus
Total number of electrons in the nucleus
Total number of protons and neutrons in the nucleus
How do you count the number of protons in an atom?
By counting the number of neutrons in the atom
By looking at the atomic number of the element
By looking at the atomic mass of the element
By observing the color of the atom
How do you count the number of neutrons in an atom?
Divide the atomic number by the mass number.
Add the atomic number to the mass number.
Multiply the atomic number by the mass number.
Subtract the atomic number from the mass number.
How do you count the number of electrons in a neutral atom?
Mass number
Proton number
Valence number
Atomic number
What is the atomic number of an atom with 6 protons?
2
4
8
6
How many protons are there in a calcium atom?
20
30
10
40
How many neutrons are there in an Fe atom with mass number 56?
40
30
50
25
How many electrons are there in a neutral atom of oxygen?
6
10
12
8
How many neutrons are there in an Fe atom with mass number 56?
40
30
50
25
The current model of the atom, where electrons exist within a range of possible locations, is called _____
the quantum mechanical model
the billiard ball model
the plum pudding model
the planetary model
All matter is made of ______.
atoms
fire
water
Particles in an atom that are neutral and have no charge are
protons
neutrons
electrons
If the number of protons equal the number of _____, the atom will have no charge
atoms
neutrons
electrons
Circling the atom, these parts of an atom hold a negative charge.
Neutron
Electron
Proton
Who discovered the Nucleus?
Ernest Rutherford
JJ Thomson
John Dalton
Democritus
Who came up with the theory that electrons travel in specific
circular orbits around the nucleus corresponding to discrete energy levels?
Niels Bohr
James Chadwick
Erwin Schrodinger
John Dalton
Who created this model?
Plum Pudding Model
JJ Thomson
Ernest Rutherford
John Dalton
James Chadwick
Who used the Gold Foil Experiment?
Ernest Rutherford
Democritus
Erwin Schrodinger
Niels Bohr
These particles are found in the nucleus
protons and electrons
nucleus and neutrons
protons and neutrons
electrons and neutrons
The Nucleus has an overall ____ charge
Neutral
Negative
Positive
Depends on the Element
What is the mass number of an atom that contains 9 protons, 10 neutrons, and 9 electrons?
9
10
18
19
What is the correct hyphen notation name for the isotope with 19 electrons and 21 neutrons?
Potassium-40
Scandium-19
Potassium-21
Scandium-40
What is the name of the isotope with 54 protons and 79 neutrons?
Xenon-79
Gold-79
Gold-133
Xenon-133
In a science project, Liam, Aria, and Anika were asked to research the model of the atom proposed by J.J. Thompson. What was the name of this model?
Plum Pudding Model
Planetary Model
Quantum Theory
Nuclear Model
David, Abigail, and Henry are discussing a famous experiment in their physics class. Which scientist conducted the gold foil experiment that they are talking about?
Leucippus and Democritus
Antoine Lavoisier and James Dalton
Eugen Goldstein and J.J. Thompson
Ernest Rutherford
During a science fair, Rohan presented a model of an atom. Emma asked him about the significance of the gold foil experiment conducted by Ernest Rutherford. What did Rohan explain to Emma about Rutherford's discovery from the gold foil experiment?
Atoms are made up of tiny particles
Atoms have a neutral charge
Atoms have a nucleus
Atoms have randomly distributed electrons
