
Quantum Mechanical Model and Electron Configuration
Authored by 11U Ibañez
Chemistry
9th Grade
Used 2+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Who proposed the idea of atomos?
John Dalton
J.J. Thompson
Ernest Rutherford
Democritus
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is NOT a key point of Dalton's atomic theory?
All elements are made up of tiny particles called atoms.
Atoms of a particular element are identical.
Atoms are indivisible and cannot be created nor destroyed.
Atoms of different elements can combine to form molecules.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the name of the model of the atom that J.J. Thompson formulated?
Plum Pudding Model
Nuclear Model
Bohr Model
Quantum Mechanical Model
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the Uncertainty Principle state?
It is impossible to know precisely both the velocity and position of a particle at the same time.
It is impossible to create or destroy matter.
The energy of an electron can only be quantized.
The nucleus of an atom is made up of protons and neutrons.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are the three things we need to know in order to predict the probable location of an electron in an atom?
Nucleus, electrons, protons
Atomic number, mass number, isotope
Energy level, sublevel, orbital
Element, compound, mixture
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the Aufbau Principle?
Each orbital must receive one electron before any orbital can receive a second filling of electron.
Electrons can only occupy orbitals with a maximum of two electrons.
The total number of electrons in an atom is equal to the atomic number.
Electrons fill orbitals with increasing energy levels before filling orbitals with lower energy levels.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is Pauli's Exclusion Principle?
Electrons fill orbitals with increasing energy levels before filling orbitals with lower energy levels.
Electrons can only occupy orbitals with a maximum of two electrons.
The total number of electrons in an atom is equal to the atomic number.
Each orbital must receive one electron before any orbital can receive a second filling of electron.
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