16 Questions
Who proposed the billiard model of the atom?
John Dalton
Which scientist introduced the use of letters to represent elements in the periodic table?
John Jacob Berzelius
Who proposed the plum pudding model of the atom?
J.J. Thomson
According to Ernest Rutherford, what did he conclude about atoms?
They have a nucleus and empty space
According to Neils Bohr, how do electrons circulate the nucleus of an atom?
In specific and allowable paths called orbit
Which scientist is known as the father of modern atomic theory?
John Dalton
Who proposed the quantum mechanical model using mathematical equations to describe the possibility of finding an electron in a certain location?
Erwin Schrodinger
What is the name of the region around the nucleus where electrons are most likely to be found?
Atomic orbital
What is the highest energy level in which electrons are located?
N
What principle states that no two electrons in the same atom can have identical values for all four of their quantum numbers?
Pauli’s Exclusion Principle
According to the octet rule, when are atoms considered stable?
When they have eight electrons in their valence shell
What does the flame test assist in determining?
Presence of metalloids
Who discovered the wave nature (Standing wave) of electrons?
Louise De Broglie
Which philosopher believed that atoms can be cut?
Aristotle
What is the modern way of describing an atom according to the provided text?
Quantum mechanical model
What does the sublevel refer to in an atom?
Atomic orbital
Learn about the contributions of John Dalton and John Jacob Berzelius to the modern atomic theory, including Dalton's concept of atoms as the smallest division of matter and Berzelius's introduction of chemical symbols. Explore the key principles and models proposed by these pioneering scientists.
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