Atomic Structure
These subatomic particles make up the mass of an atom
protons and neutrons
This group forms +2 ions
Alkaline Earth Metals
What is the lowest energy sublevel?
How many shells are in a Potassium atom?
4
First atomic model
billiard ball model
Ions have the same number of ____ and ____ but different
protons, neutrons, electrons
noble gases
How many orbital(s) are in the s sublevel
1
How many electrons fit in the p orbitals
6
Gold foil experiment done by who
Rutherford
Isotopes contain the same number of ____ and _____ but different ____
Protons, electrons, and neutrons
This element is soft, malleable, ductile, very reactive, solid at room temperature, but a low melting point, a good conductor, not as shiny as others. Is it:
Si, Al, F, Na
Na
what is the correct order of filling:
1s, 2s, 3s, 4s, 2p, 3p
1s 2s 2p 3s 3p 4s
The octet rule states
each atom wants 8 electrons in their valence to achieve full stability
What did JJ Thompson discover?
Electrons!
Sr2+ Contains ____ electrons
36
This element has a high melting point, is malleable, ductile, conductive, lower ionization energy, not super reactive. Is it:
Si, Br, Mg, or Fe
Fe
This is the configuration for Si
see board
[Ar]
No, [Ne]3s23p6
What did the gold foil experiment find?
Nucleus
95Cd has how many neutrons
47
This element has a low melting point, reactive, is solid at room temperature, brittle, not conductive high electronegativity. Is it:
F, Ne, I, Li
I
What is the correct configuration for Ca
see board
This element is solid at RT, semiconductive, brittle, and somewhat lustruous. Is it:
Mg, Co, F, or Si
Si
What does the quantum model tell us?
the relative location electrons are most likely to occupy.