Models of the Atom
The first person to suggest the existence of the atom
What is Democritus?
The charge of a proton.
What is positive?
The charge of an electron.
What is negative?
The family with varying properties.
What is transition metals?
The element that is the most electronegative
What is fluorine?
What is Rutherford's experiment?
What is gold foil (alpha particle) experiment?
An atom with different number of neutrons.
What is isotope?
The max # of electrons in the "p" orbital.
What is 6?
The Group # for the alkaline earth metals.
What is 2?
The number of valence electrons in Group 15.
What is 5?
J. J. Thomson discovered this.
What is electron?
The difference between atomic & mass #.
What is atomic # = protons and mass # = protons + neutrons?
The number of orbitals in the "d" block.
What is 5?
The family named for their elusivity in nature.
What is lanthanides?
What happens to the atomic size of the metals when going from left to right across a period.
What is decreases?
The scientist who suggested the Plum Pudding Model.
What is J. J. Thomson?
The number of neutrons in chlorine.
What is 18 neutrons?
The 2 ways to illustrate electron arrangement in an atom.
What is electron configuration and orbital diagram?
The reason why alkali metals family was named.
What is when exposed to water, they produce strong alkalis?
Which up & right increasing trend does not include the noble gases?
What is electronegativity?
The 4 statements in Dalton's Atomic Theory.
What is:
1. atoms of an element are identical
2. atoms of different elements are different
3. different elements can combine to make compounds
4. atoms are indivisible
The relative atomic mass (4 sig figs) of silicon using the following isotopes:
Si-28 (92.23%)
Si-29 (4.68%)
Si-30 (3.09%)
What is 28.11 amu?
The electron configuration for the F-1 ion.
What is 1s2 2s2 2p6?
List all 7 metalloids.
What is boron, silicon, arsenic, germanium, polonium, antimony, and tellurium
The 2 trends that increase right and up.
What is ionization energy and electronegativity?