Exams Flashcards
the charge on an electron was determined in the ____
Millikan oil drop experiment
the smallest and lightest subatomic particle is the ___
electron
what is the formula for phosphoric acid?
H3PO4
of the following, ___ radiation has the shortest wavelength.
- microwave, x-ray, radio, ultraviolet
X-ray
which elements have a ground-state electron configuration different from the predicted one?
ti
increasing atomic radii on pt
increase right to left and top to bottom
a nonpolar bond will form between __ atoms of ___ electronegativity
identical, equal
sigma bond results from the overlap of __ orbitals and the pi bond results from the overlap of ___ orbitals.
sp^2-hybrid, p-atomic
redox reaction
oxidation-reduction reaction
- 1 molecule loses e-, 1 molecule gains e-
Ca3(PO4)2
calcium phosphate
H2CO3
carbonic acid
moving an electron from a higher–> lower energy level (n)…
emits photons with lower energy and shorter wavelengths
increasing the energy level (n)…
absorbs photons with higher energy and longer wavelength
1 atm = ___ torr
760
1 atm = ___ mmhg
760
to determine the highest concentration of substance A in a compound…
(subscript) x (M)
1 Angstrom =
1 x 10^(-10) meters
bomb calorimetry: -qrxn =
Ccal x T (delta T)
(delta)H units =
kJ/ mol
___ is oxidized or reduced
a single element
____ is an oxidizing or reducing agent
a molecule/compound
oxidized/reducing or oxidizing/reducing agents MUST be…
on the reactants side
Zeff =
= Z - S
= (atomic number) - (core e-)
1 nanometer = ___ picometers
1000
the principle quantum number of the first d sub shell is ____
3 (first one = 3d)
Each s subshell holds at most ___ electrons
2
Each p subshell holds at most ___ electrons
6
Each d subshell holds at most ___ electrons
10
Each f subshell holds at most ___ electrons
14
moving an electron back to its ground state (n =1)….
emits a photon of light
the bond angle of something with 4 electron domains is about…
109.5
