2019 Final (chapters 10 and 11) Flashcards
(34 cards)
What is the name of Dalton’s model of the atom and when was it discovered?
Billiard Ball Model, 1805
What did Dalton’s Billiard Ball Model prove?
There is nothing smaller than an atom
What is the name of JJ Thompson’s model of the atom?
Plum Pudding Model, 1897
When was the Cathode Ray Experiment done?
1897
What did the Cathode Ray Experiment discover?
The charge in Cathode Rays were negative-charged particles
What is the name of Rutherford’s experiment?
Gold Foil Experiment
What and when did Rutherford discover?
Discovered the existence of small, massive center to atoms, demonstrated nuclear nature of atoms, 1911
What is the name of Rutherford’s model of the atom?
Planetary Model
What is the name of Niels Bohr’s experiment?
Spectrum experiment with hydrogen gas
What and when did Niels Bohr discover?
Discovered the energy levels of electrons in a stable orbit, 1913
What is the name of Niels Bohr’s model of the atom?
Bohr’s model
What did Planck and Einstein discover?
Quantum theory:
element is intermediate: metal, nonmetal, metalloid?
metalloid
an element is considered weak if its attraction to the nucleus is…
less than 7.8
elements with an intermediate attraction form _____ ions
they do not tend to form ions
covalent compound
Nonmental-Nonmetal
What is the chemical structure theory?
each atom is represent by a chemical symbol and is surrounded by a specific number of lines (bonds)
How many valence electrons are in Fluorine?
7
How many valence electrons are in Carbon?
4
How many valence electrons are in Nitrogen?
5
How many valence electrons are in Oxygen?
6
How many valence electrons are in Hydrogen?
1
How many valence electrons does Fluorine need?
1
How many valence electrons does Carbon need?
4